Home / 38,220.01-52,744.16-21,225.31

Finding the Fourth Proportional to 38,220.01, 52,744.16 and 21,225.31

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Solution

The fourth proportional to 38,220.01, 52,744.16 and 21,225.31 is: 29,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,220.01 : 52,744.16 = 21,225.31 : x
  2. Step 2: Convert to fraction form
    38,220.01/52,744.16 = 21,225.31/x
  3. Step 3: Cross multiply
    38,220.01x = 52,744.16 × 21,225.31
  4. Step 4: Simplify right side
    38,220.01x = 1,119,511,146.69
  5. Step 5: Solve for x
    x = 1,119,511,146.69/38,220.01
  6. Step 6: Final answer
    x = 29,291.23

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Half scale
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Double scale
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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.