Home / 48,479.91-66,847.11-34,135.15

Finding the Fourth Proportional to 48,479.91, 66,847.11 and 34,135.15

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Solution

The fourth proportional to 48,479.91, 66,847.11 and 34,135.15 is: 47,067.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,479.91 : 66,847.11 = 34,135.15 : x
  2. Step 2: Convert to fraction form
    48,479.91/66,847.11 = 34,135.15/x
  3. Step 3: Cross multiply
    48,479.91x = 66,847.11 × 34,135.15
  4. Step 4: Simplify right side
    48,479.91x = 2,281,836,126.92
  5. Step 5: Solve for x
    x = 2,281,836,126.92/48,479.91
  6. Step 6: Final answer
    x = 47,067.66

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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.