Home / 40,286.65-60,409.20-18,080.98

Finding the Fourth Proportional to 40,286.65, 60,409.20 and 18,080.98

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Solution

The fourth proportional to 40,286.65, 60,409.20 and 18,080.98 is: 27,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.65 : 60,409.20 = 18,080.98 : x
  2. Step 2: Convert to fraction form
    40,286.65/60,409.20 = 18,080.98/x
  3. Step 3: Cross multiply
    40,286.65x = 60,409.20 × 18,080.98
  4. Step 4: Simplify right side
    40,286.65x = 1,092,257,537.02
  5. Step 5: Solve for x
    x = 1,092,257,537.02/40,286.65
  6. Step 6: Final answer
    x = 27,112.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.