Home / 51,279.48-76,901.00-19,691.91

Finding the Fourth Proportional to 51,279.48, 76,901.00 and 19,691.91

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Solution

The fourth proportional to 51,279.48, 76,901.00 and 19,691.91 is: 29,530.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,279.48 : 76,901.00 = 19,691.91 : x
  2. Step 2: Convert to fraction form
    51,279.48/76,901.00 = 19,691.91/x
  3. Step 3: Cross multiply
    51,279.48x = 76,901.00 × 19,691.91
  4. Step 4: Simplify right side
    51,279.48x = 1,514,327,472.45
  5. Step 5: Solve for x
    x = 1,514,327,472.45/51,279.48
  6. Step 6: Final answer
    x = 29,530.87

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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.