Home / 40,732.92-61,108.90-12,651.54

Finding the Fourth Proportional to 40,732.92, 61,108.90 and 12,651.54

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Solution

The fourth proportional to 40,732.92, 61,108.90 and 12,651.54 is: 18,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732.92 : 61,108.90 = 12,651.54 : x
  2. Step 2: Convert to fraction form
    40,732.92/61,108.90 = 12,651.54/x
  3. Step 3: Cross multiply
    40,732.92x = 61,108.90 × 12,651.54
  4. Step 4: Simplify right side
    40,732.92x = 773,121,692.71
  5. Step 5: Solve for x
    x = 773,121,692.71/40,732.92
  6. Step 6: Final answer
    x = 18,980.27

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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.