Home / 40,230.78-55,520.10-24,312.12

Finding the Fourth Proportional to 40,230.78, 55,520.10 and 24,312.12

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Solution

The fourth proportional to 40,230.78, 55,520.10 and 24,312.12 is: 33,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.78 : 55,520.10 = 24,312.12 : x
  2. Step 2: Convert to fraction form
    40,230.78/55,520.10 = 24,312.12/x
  3. Step 3: Cross multiply
    40,230.78x = 55,520.10 × 24,312.12
  4. Step 4: Simplify right side
    40,230.78x = 1,349,811,333.61
  5. Step 5: Solve for x
    x = 1,349,811,333.61/40,230.78
  6. Step 6: Final answer
    x = 33,551.71

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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.