Home / 51,678.83-71,311.23-29,020.29

Finding the Fourth Proportional to 51,678.83, 71,311.23 and 29,020.29

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Solution

The fourth proportional to 51,678.83, 71,311.23 and 29,020.29 is: 40,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,678.83 : 71,311.23 = 29,020.29 : x
  2. Step 2: Convert to fraction form
    51,678.83/71,311.23 = 29,020.29/x
  3. Step 3: Cross multiply
    51,678.83x = 71,311.23 × 29,020.29
  4. Step 4: Simplify right side
    51,678.83x = 2,069,472,574.86
  5. Step 5: Solve for x
    x = 2,069,472,574.86/51,678.83
  6. Step 6: Final answer
    x = 40,044.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.