Home / 39,432.86-59,089.44-28,909.88

Finding the Fourth Proportional to 39,432.86, 59,089.44 and 28,909.88

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Solution

The fourth proportional to 39,432.86, 59,089.44 and 28,909.88 is: 43,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.86 : 59,089.44 = 28,909.88 : x
  2. Step 2: Convert to fraction form
    39,432.86/59,089.44 = 28,909.88/x
  3. Step 3: Cross multiply
    39,432.86x = 59,089.44 × 28,909.88
  4. Step 4: Simplify right side
    39,432.86x = 1,708,268,324.22
  5. Step 5: Solve for x
    x = 1,708,268,324.22/39,432.86
  6. Step 6: Final answer
    x = 43,320.94

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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.