Home / 39,690.66-59,550.57-28,609.86

Finding the Fourth Proportional to 39,690.66, 59,550.57 and 28,609.86

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Solution

The fourth proportional to 39,690.66, 59,550.57 and 28,609.86 is: 42,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,690.66 : 59,550.57 = 28,609.86 : x
  2. Step 2: Convert to fraction form
    39,690.66/59,550.57 = 28,609.86/x
  3. Step 3: Cross multiply
    39,690.66x = 59,550.57 × 28,609.86
  4. Step 4: Simplify right side
    39,690.66x = 1,703,733,470.62
  5. Step 5: Solve for x
    x = 1,703,733,470.62/39,690.66
  6. Step 6: Final answer
    x = 42,925.30

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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.