Home / 57,439.84-79,266.20-31,945.96

Finding the Fourth Proportional to 57,439.84, 79,266.20 and 31,945.96

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Solution

The fourth proportional to 57,439.84, 79,266.20 and 31,945.96 is: 44,084.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,439.84 : 79,266.20 = 31,945.96 : x
  2. Step 2: Convert to fraction form
    57,439.84/79,266.20 = 31,945.96/x
  3. Step 3: Cross multiply
    57,439.84x = 79,266.20 × 31,945.96
  4. Step 4: Simplify right side
    57,439.84x = 2,532,234,854.55
  5. Step 5: Solve for x
    x = 2,532,234,854.55/57,439.84
  6. Step 6: Final answer
    x = 44,084.99

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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.