Home / 71,788.27-107,731.68-25,041.15

Finding the Fourth Proportional to 71,788.27, 107,731.68 and 25,041.15

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Solution

The fourth proportional to 71,788.27, 107,731.68 and 25,041.15 is: 37,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,788.27 : 107,731.68 = 25,041.15 : x
  2. Step 2: Convert to fraction form
    71,788.27/107,731.68 = 25,041.15/x
  3. Step 3: Cross multiply
    71,788.27x = 107,731.68 × 25,041.15
  4. Step 4: Simplify right side
    71,788.27x = 2,697,725,158.63
  5. Step 5: Solve for x
    x = 2,697,725,158.63/71,788.27
  6. Step 6: Final answer
    x = 37,578.91

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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.