Home / 47,921.28-66,131.20-26,700.80

Finding the Fourth Proportional to 47,921.28, 66,131.20 and 26,700.80

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Solution

The fourth proportional to 47,921.28, 66,131.20 and 26,700.80 is: 36,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.28 : 66,131.20 = 26,700.80 : x
  2. Step 2: Convert to fraction form
    47,921.28/66,131.20 = 26,700.80/x
  3. Step 3: Cross multiply
    47,921.28x = 66,131.20 × 26,700.80
  4. Step 4: Simplify right side
    47,921.28x = 1,765,755,944.96
  5. Step 5: Solve for x
    x = 1,765,755,944.96/47,921.28
  6. Step 6: Final answer
    x = 36,847.01

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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.