Home / 51,172.92-76,754.52-31,177.08

Finding the Fourth Proportional to 51,172.92, 76,754.52 and 31,177.08

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Solution

The fourth proportional to 51,172.92, 76,754.52 and 31,177.08 is: 46,762.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,172.92 : 76,754.52 = 31,177.08 : x
  2. Step 2: Convert to fraction form
    51,172.92/76,754.52 = 31,177.08/x
  3. Step 3: Cross multiply
    51,172.92x = 76,754.52 × 31,177.08
  4. Step 4: Simplify right side
    51,172.92x = 2,392,981,810.40
  5. Step 5: Solve for x
    x = 2,392,981,810.40/51,172.92
  6. Step 6: Final answer
    x = 46,762.66

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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.