Home / 47,255.92-70,789.22-28,479.16

Finding the Fourth Proportional to 47,255.92, 70,789.22 and 28,479.16

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Solution

The fourth proportional to 47,255.92, 70,789.22 and 28,479.16 is: 42,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,255.92 : 70,789.22 = 28,479.16 : x
  2. Step 2: Convert to fraction form
    47,255.92/70,789.22 = 28,479.16/x
  3. Step 3: Cross multiply
    47,255.92x = 70,789.22 × 28,479.16
  4. Step 4: Simplify right side
    47,255.92x = 2,016,017,522.66
  5. Step 5: Solve for x
    x = 2,016,017,522.66/47,255.92
  6. Step 6: Final answer
    x = 42,661.69

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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.