Home / 39,259.48-54,177.56-21,354.10

Finding the Fourth Proportional to 39,259.48, 54,177.56 and 21,354.10

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Solution

The fourth proportional to 39,259.48, 54,177.56 and 21,354.10 is: 29,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,259.48 : 54,177.56 = 21,354.10 : x
  2. Step 2: Convert to fraction form
    39,259.48/54,177.56 = 21,354.10/x
  3. Step 3: Cross multiply
    39,259.48x = 54,177.56 × 21,354.10
  4. Step 4: Simplify right side
    39,259.48x = 1,156,913,034.00
  5. Step 5: Solve for x
    x = 1,156,913,034.00/39,259.48
  6. Step 6: Final answer
    x = 29,468.37

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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.