Home / 29,187.52-40,350.33-28,920.96

Finding the Fourth Proportional to 29,187.52, 40,350.33 and 28,920.96

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Solution

The fourth proportional to 29,187.52, 40,350.33 and 28,920.96 is: 39,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,187.52 : 40,350.33 = 28,920.96 : x
  2. Step 2: Convert to fraction form
    29,187.52/40,350.33 = 28,920.96/x
  3. Step 3: Cross multiply
    29,187.52x = 40,350.33 × 28,920.96
  4. Step 4: Simplify right side
    29,187.52x = 1,166,970,279.92
  5. Step 5: Solve for x
    x = 1,166,970,279.92/29,187.52
  6. Step 6: Final answer
    x = 39,981.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.