Home / 39,259.59-54,176.69-21,354.57

Finding the Fourth Proportional to 39,259.59, 54,176.69 and 21,354.57

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Solution

The fourth proportional to 39,259.59, 54,176.69 and 21,354.57 is: 29,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,259.59 : 54,176.69 = 21,354.57 : x
  2. Step 2: Convert to fraction form
    39,259.59/54,176.69 = 21,354.57/x
  3. Step 3: Cross multiply
    39,259.59x = 54,176.69 × 21,354.57
  4. Step 4: Simplify right side
    39,259.59x = 1,156,919,812.20
  5. Step 5: Solve for x
    x = 1,156,919,812.20/39,259.59
  6. Step 6: Final answer
    x = 29,468.46

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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.