Home / 47,930.20-66,142.38-26,708.20

Finding the Fourth Proportional to 47,930.20, 66,142.38 and 26,708.20

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Solution

The fourth proportional to 47,930.20, 66,142.38 and 26,708.20 is: 36,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,930.20 : 66,142.38 = 26,708.20 : x
  2. Step 2: Convert to fraction form
    47,930.20/66,142.38 = 26,708.20/x
  3. Step 3: Cross multiply
    47,930.20x = 66,142.38 × 26,708.20
  4. Step 4: Simplify right side
    47,930.20x = 1,766,543,913.52
  5. Step 5: Solve for x
    x = 1,766,543,913.52/47,930.20
  6. Step 6: Final answer
    x = 36,856.59

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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.