Home / 40,234.56-55,543.67-25,135.61

Finding the Fourth Proportional to 40,234.56, 55,543.67 and 25,135.61

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Solution

The fourth proportional to 40,234.56, 55,543.67 and 25,135.61 is: 34,699.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.56 : 55,543.67 = 25,135.61 : x
  2. Step 2: Convert to fraction form
    40,234.56/55,543.67 = 25,135.61/x
  3. Step 3: Cross multiply
    40,234.56x = 55,543.67 × 25,135.61
  4. Step 4: Simplify right side
    40,234.56x = 1,396,123,623.69
  5. Step 5: Solve for x
    x = 1,396,123,623.69/40,234.56
  6. Step 6: Final answer
    x = 34,699.61

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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.