Home / 40,871.27-61,273.82-12,776.86

Finding the Fourth Proportional to 40,871.27, 61,273.82 and 12,776.86

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Solution

The fourth proportional to 40,871.27, 61,273.82 and 12,776.86 is: 19,154.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871.27 : 61,273.82 = 12,776.86 : x
  2. Step 2: Convert to fraction form
    40,871.27/61,273.82 = 12,776.86/x
  3. Step 3: Cross multiply
    40,871.27x = 61,273.82 × 12,776.86
  4. Step 4: Simplify right side
    40,871.27x = 782,887,019.81
  5. Step 5: Solve for x
    x = 782,887,019.81/40,871.27
  6. Step 6: Final answer
    x = 19,154.95

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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.