Home / 39,432.60-59,191.02-21,897.72

Finding the Fourth Proportional to 39,432.60, 59,191.02 and 21,897.72

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Solution

The fourth proportional to 39,432.60, 59,191.02 and 21,897.72 is: 32,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.60 : 59,191.02 = 21,897.72 : x
  2. Step 2: Convert to fraction form
    39,432.60/59,191.02 = 21,897.72/x
  3. Step 3: Cross multiply
    39,432.60x = 59,191.02 × 21,897.72
  4. Step 4: Simplify right side
    39,432.60x = 1,296,148,382.47
  5. Step 5: Solve for x
    x = 1,296,148,382.47/39,432.60
  6. Step 6: Final answer
    x = 32,869.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.