Home / 51,366.28-70,882.92-28,700.80

Finding the Fourth Proportional to 51,366.28, 70,882.92 and 28,700.80

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Solution

The fourth proportional to 51,366.28, 70,882.92 and 28,700.80 is: 39,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,366.28 : 70,882.92 = 28,700.80 : x
  2. Step 2: Convert to fraction form
    51,366.28/70,882.92 = 28,700.80/x
  3. Step 3: Cross multiply
    51,366.28x = 70,882.92 × 28,700.80
  4. Step 4: Simplify right side
    51,366.28x = 2,034,396,510.34
  5. Step 5: Solve for x
    x = 2,034,396,510.34/51,366.28
  6. Step 6: Final answer
    x = 39,605.68

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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.