Home / 29,305.60-40,401.56-18,545.12

Finding the Fourth Proportional to 29,305.60, 40,401.56 and 18,545.12

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Solution

The fourth proportional to 29,305.60, 40,401.56 and 18,545.12 is: 25,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.60 : 40,401.56 = 18,545.12 : x
  2. Step 2: Convert to fraction form
    29,305.60/40,401.56 = 18,545.12/x
  3. Step 3: Cross multiply
    29,305.60x = 40,401.56 × 18,545.12
  4. Step 4: Simplify right side
    29,305.60x = 749,251,778.39
  5. Step 5: Solve for x
    x = 749,251,778.39/29,305.60
  6. Step 6: Final answer
    x = 25,566.85

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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.