Home / 40,982.61-61,452.76-18,776.96

Finding the Fourth Proportional to 40,982.61, 61,452.76 and 18,776.96

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Solution

The fourth proportional to 40,982.61, 61,452.76 and 18,776.96 is: 28,155.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,982.61 : 61,452.76 = 18,776.96 : x
  2. Step 2: Convert to fraction form
    40,982.61/61,452.76 = 18,776.96/x
  3. Step 3: Cross multiply
    40,982.61x = 61,452.76 × 18,776.96
  4. Step 4: Simplify right side
    40,982.61x = 1,153,895,709.15
  5. Step 5: Solve for x
    x = 1,153,895,709.15/40,982.61
  6. Step 6: Final answer
    x = 28,155.74

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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.