Home / 39,319.17-58,920.42-28,879.89

Finding the Fourth Proportional to 39,319.17, 58,920.42 and 28,879.89

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Solution

The fourth proportional to 39,319.17, 58,920.42 and 28,879.89 is: 43,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319.17 : 58,920.42 = 28,879.89 : x
  2. Step 2: Convert to fraction form
    39,319.17/58,920.42 = 28,879.89/x
  3. Step 3: Cross multiply
    39,319.17x = 58,920.42 × 28,879.89
  4. Step 4: Simplify right side
    39,319.17x = 1,701,615,304.68
  5. Step 5: Solve for x
    x = 1,701,615,304.68/39,319.17
  6. Step 6: Final answer
    x = 43,276.99

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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.