Home / 49,251.88-67,959.68-28,031.50

Finding the Fourth Proportional to 49,251.88, 67,959.68 and 28,031.50

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Solution

The fourth proportional to 49,251.88, 67,959.68 and 28,031.50 is: 38,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,251.88 : 67,959.68 = 28,031.50 : x
  2. Step 2: Convert to fraction form
    49,251.88/67,959.68 = 28,031.50/x
  3. Step 3: Cross multiply
    49,251.88x = 67,959.68 × 28,031.50
  4. Step 4: Simplify right side
    49,251.88x = 1,905,011,769.92
  5. Step 5: Solve for x
    x = 1,905,011,769.92/49,251.88
  6. Step 6: Final answer
    x = 38,678.97

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1.5x scale

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.