Home / 57,325.80-79,105.08-31,829.76

Finding the Fourth Proportional to 57,325.80, 79,105.08 and 31,829.76

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Solution

The fourth proportional to 57,325.80, 79,105.08 and 31,829.76 is: 43,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,325.80 : 79,105.08 = 31,829.76 : x
  2. Step 2: Convert to fraction form
    57,325.80/79,105.08 = 31,829.76/x
  3. Step 3: Cross multiply
    57,325.80x = 79,105.08 × 31,829.76
  4. Step 4: Simplify right side
    57,325.80x = 2,517,895,711.18
  5. Step 5: Solve for x
    x = 2,517,895,711.18/57,325.80
  6. Step 6: Final answer
    x = 43,922.56

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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.