Home / 51,581.20-77,379.24-19,572.08

Finding the Fourth Proportional to 51,581.20, 77,379.24 and 19,572.08

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Solution

The fourth proportional to 51,581.20, 77,379.24 and 19,572.08 is: 29,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,581.20 : 77,379.24 = 19,572.08 : x
  2. Step 2: Convert to fraction form
    51,581.20/77,379.24 = 19,572.08/x
  3. Step 3: Cross multiply
    51,581.20x = 77,379.24 × 19,572.08
  4. Step 4: Simplify right side
    51,581.20x = 1,514,472,675.62
  5. Step 5: Solve for x
    x = 1,514,472,675.62/51,581.20
  6. Step 6: Final answer
    x = 29,360.94

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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.