Home / 51,379.40-77,062.14-13,941.87

Finding the Fourth Proportional to 51,379.40, 77,062.14 and 13,941.87

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Solution

The fourth proportional to 51,379.40, 77,062.14 and 13,941.87 is: 20,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,379.40 : 77,062.14 = 13,941.87 : x
  2. Step 2: Convert to fraction form
    51,379.40/77,062.14 = 13,941.87/x
  3. Step 3: Cross multiply
    51,379.40x = 77,062.14 × 13,941.87
  4. Step 4: Simplify right side
    51,379.40x = 1,074,390,337.80
  5. Step 5: Solve for x
    x = 1,074,390,337.80/51,379.40
  6. Step 6: Final answer
    x = 20,910.92

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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.