Home / 39,845.36-59,695.94-28,691.66

Finding the Fourth Proportional to 39,845.36, 59,695.94 and 28,691.66

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Solution

The fourth proportional to 39,845.36, 59,695.94 and 28,691.66 is: 42,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,845.36 : 59,695.94 = 28,691.66 : x
  2. Step 2: Convert to fraction form
    39,845.36/59,695.94 = 28,691.66/x
  3. Step 3: Cross multiply
    39,845.36x = 59,695.94 × 28,691.66
  4. Step 4: Simplify right side
    39,845.36x = 1,712,775,613.86
  5. Step 5: Solve for x
    x = 1,712,775,613.86/39,845.36
  6. Step 6: Final answer
    x = 42,985.57

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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.