Home / 40,125.28-55,372.48-23,123.26

Finding the Fourth Proportional to 40,125.28, 55,372.48 and 23,123.26

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Solution

The fourth proportional to 40,125.28, 55,372.48 and 23,123.26 is: 31,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,125.28 : 55,372.48 = 23,123.26 : x
  2. Step 2: Convert to fraction form
    40,125.28/55,372.48 = 23,123.26/x
  3. Step 3: Cross multiply
    40,125.28x = 55,372.48 × 23,123.26
  4. Step 4: Simplify right side
    40,125.28x = 1,280,392,251.88
  5. Step 5: Solve for x
    x = 1,280,392,251.88/40,125.28
  6. Step 6: Final answer
    x = 31,909.86

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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.