Home / 57,402.56-79,213.98-31,908.30

Finding the Fourth Proportional to 57,402.56, 79,213.98 and 31,908.30

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Solution

The fourth proportional to 57,402.56, 79,213.98 and 31,908.30 is: 44,032.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,402.56 : 79,213.98 = 31,908.30 : x
  2. Step 2: Convert to fraction form
    57,402.56/79,213.98 = 31,908.30/x
  3. Step 3: Cross multiply
    57,402.56x = 79,213.98 × 31,908.30
  4. Step 4: Simplify right side
    57,402.56x = 2,527,583,438.03
  5. Step 5: Solve for x
    x = 2,527,583,438.03/57,402.56
  6. Step 6: Final answer
    x = 44,032.59

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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.