Home / 59,930.30-89,895.51-20,487.74

Finding the Fourth Proportional to 59,930.30, 89,895.51 and 20,487.74

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Solution

The fourth proportional to 59,930.30, 89,895.51 and 20,487.74 is: 30,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,930.30 : 89,895.51 = 20,487.74 : x
  2. Step 2: Convert to fraction form
    59,930.30/89,895.51 = 20,487.74/x
  3. Step 3: Cross multiply
    59,930.30x = 89,895.51 × 20,487.74
  4. Step 4: Simplify right side
    59,930.30x = 1,841,755,836.05
  5. Step 5: Solve for x
    x = 1,841,755,836.05/59,930.30
  6. Step 6: Final answer
    x = 30,731.63

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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.