Home / 57,331.80-79,116.85-31,836.85

Finding the Fourth Proportional to 57,331.80, 79,116.85 and 31,836.85

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Solution

The fourth proportional to 57,331.80, 79,116.85 and 31,836.85 is: 43,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,331.80 : 79,116.85 = 31,836.85 : x
  2. Step 2: Convert to fraction form
    57,331.80/79,116.85 = 31,836.85/x
  3. Step 3: Cross multiply
    57,331.80x = 79,116.85 × 31,836.85
  4. Step 4: Simplify right side
    57,331.80x = 2,518,831,127.93
  5. Step 5: Solve for x
    x = 2,518,831,127.93/57,331.80
  6. Step 6: Final answer
    x = 43,934.28

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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.