Home / 38,021.02-52,466.32-21,022.49

Finding the Fourth Proportional to 38,021.02, 52,466.32 and 21,022.49

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Solution

The fourth proportional to 38,021.02, 52,466.32 and 21,022.49 is: 29,009.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.02 : 52,466.32 = 21,022.49 : x
  2. Step 2: Convert to fraction form
    38,021.02/52,466.32 = 21,022.49/x
  3. Step 3: Cross multiply
    38,021.02x = 52,466.32 × 21,022.49
  4. Step 4: Simplify right side
    38,021.02x = 1,102,972,687.54
  5. Step 5: Solve for x
    x = 1,102,972,687.54/38,021.02
  6. Step 6: Final answer
    x = 29,009.55

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Half scale
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Double scale
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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.