Home / 51,479.76-77,234.24-42,206.88

Finding the Fourth Proportional to 51,479.76, 77,234.24 and 42,206.88

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Solution

The fourth proportional to 51,479.76, 77,234.24 and 42,206.88 is: 63,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,479.76 : 77,234.24 = 42,206.88 : x
  2. Step 2: Convert to fraction form
    51,479.76/77,234.24 = 42,206.88/x
  3. Step 3: Cross multiply
    51,479.76x = 77,234.24 × 42,206.88
  4. Step 4: Simplify right side
    51,479.76x = 3,259,816,299.57
  5. Step 5: Solve for x
    x = 3,259,816,299.57/51,479.76
  6. Step 6: Final answer
    x = 63,322.29

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1.5x scale

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.