Home / 40,372.56-55,715.04-22,469.40

Finding the Fourth Proportional to 40,372.56, 55,715.04 and 22,469.40

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Solution

The fourth proportional to 40,372.56, 55,715.04 and 22,469.40 is: 31,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,372.56 : 55,715.04 = 22,469.40 : x
  2. Step 2: Convert to fraction form
    40,372.56/55,715.04 = 22,469.40/x
  3. Step 3: Cross multiply
    40,372.56x = 55,715.04 × 22,469.40
  4. Step 4: Simplify right side
    40,372.56x = 1,251,883,519.78
  5. Step 5: Solve for x
    x = 1,251,883,519.78/40,372.56
  6. Step 6: Final answer
    x = 31,008.28

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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.