Home / 40,487.06-55,872.22-22,581.60

Finding the Fourth Proportional to 40,487.06, 55,872.22 and 22,581.60

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Solution

The fourth proportional to 40,487.06, 55,872.22 and 22,581.60 is: 31,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,487.06 : 55,872.22 = 22,581.60 : x
  2. Step 2: Convert to fraction form
    40,487.06/55,872.22 = 22,581.60/x
  3. Step 3: Cross multiply
    40,487.06x = 55,872.22 × 22,581.60
  4. Step 4: Simplify right side
    40,487.06x = 1,261,684,123.15
  5. Step 5: Solve for x
    x = 1,261,684,123.15/40,487.06
  6. Step 6: Final answer
    x = 31,162.65

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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.