Home / 47,610.17-65,650.87-40,138.83

Finding the Fourth Proportional to 47,610.17, 65,650.87 and 40,138.83

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Solution

The fourth proportional to 47,610.17, 65,650.87 and 40,138.83 is: 55,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,610.17 : 65,650.87 = 40,138.83 : x
  2. Step 2: Convert to fraction form
    47,610.17/65,650.87 = 40,138.83/x
  3. Step 3: Cross multiply
    47,610.17x = 65,650.87 × 40,138.83
  4. Step 4: Simplify right side
    47,610.17x = 2,635,149,110.28
  5. Step 5: Solve for x
    x = 2,635,149,110.28/47,610.17
  6. Step 6: Final answer
    x = 55,348.45

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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.