Home / 57,471.24-79,321.20-35,970.96

Finding the Fourth Proportional to 57,471.24, 79,321.20 and 35,970.96

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Solution

The fourth proportional to 57,471.24, 79,321.20 and 35,970.96 is: 49,646.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,471.24 : 79,321.20 = 35,970.96 : x
  2. Step 2: Convert to fraction form
    57,471.24/79,321.20 = 35,970.96/x
  3. Step 3: Cross multiply
    57,471.24x = 79,321.20 × 35,970.96
  4. Step 4: Simplify right side
    57,471.24x = 2,853,259,712.35
  5. Step 5: Solve for x
    x = 2,853,259,712.35/57,471.24
  6. Step 6: Final answer
    x = 49,646.74

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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.