Home / 51,206.52-76,844.61-31,424.70

Finding the Fourth Proportional to 51,206.52, 76,844.61 and 31,424.70

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Solution

The fourth proportional to 51,206.52, 76,844.61 and 31,424.70 is: 47,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,206.52 : 76,844.61 = 31,424.70 : x
  2. Step 2: Convert to fraction form
    51,206.52/76,844.61 = 31,424.70/x
  3. Step 3: Cross multiply
    51,206.52x = 76,844.61 × 31,424.70
  4. Step 4: Simplify right side
    51,206.52x = 2,414,818,815.87
  5. Step 5: Solve for x
    x = 2,414,818,815.87/51,206.52
  6. Step 6: Final answer
    x = 47,158.42

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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.