Home / 51,385.71-76,995.18-26,391.03

Finding the Fourth Proportional to 51,385.71, 76,995.18 and 26,391.03

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Solution

The fourth proportional to 51,385.71, 76,995.18 and 26,391.03 is: 39,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.71 : 76,995.18 = 26,391.03 : x
  2. Step 2: Convert to fraction form
    51,385.71/76,995.18 = 26,391.03/x
  3. Step 3: Cross multiply
    51,385.71x = 76,995.18 × 26,391.03
  4. Step 4: Simplify right side
    51,385.71x = 2,031,982,105.24
  5. Step 5: Solve for x
    x = 2,031,982,105.24/51,385.71
  6. Step 6: Final answer
    x = 39,543.72

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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.