Home / 40,874.87-61,335.59-15,911.68

Finding the Fourth Proportional to 40,874.87, 61,335.59 and 15,911.68

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Solution

The fourth proportional to 40,874.87, 61,335.59 and 15,911.68 is: 23,876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874.87 : 61,335.59 = 15,911.68 : x
  2. Step 2: Convert to fraction form
    40,874.87/61,335.59 = 15,911.68/x
  3. Step 3: Cross multiply
    40,874.87x = 61,335.59 × 15,911.68
  4. Step 4: Simplify right side
    40,874.87x = 975,951,894.45
  5. Step 5: Solve for x
    x = 975,951,894.45/40,874.87
  6. Step 6: Final answer
    x = 23,876.58

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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.