Home / 38,003.63-52,445.01-21,236.63

Finding the Fourth Proportional to 38,003.63, 52,445.01 and 21,236.63

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Solution

The fourth proportional to 38,003.63, 52,445.01 and 21,236.63 is: 29,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.63 : 52,445.01 = 21,236.63 : x
  2. Step 2: Convert to fraction form
    38,003.63/52,445.01 = 21,236.63/x
  3. Step 3: Cross multiply
    38,003.63x = 52,445.01 × 21,236.63
  4. Step 4: Simplify right side
    38,003.63x = 1,113,755,010.49
  5. Step 5: Solve for x
    x = 1,113,755,010.49/38,003.63
  6. Step 6: Final answer
    x = 29,306.55

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Half scale
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Double scale
Find fourth proportional to 38,004.63, 52,446.39 and 21,237.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.