Home / 40,566.16-60,849.36-12,486

Finding the Fourth Proportional to 40,566.16, 60,849.36 and 12,486

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Solution

The fourth proportional to 40,566.16, 60,849.36 and 12,486 is: 18,729.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,566.16 : 60,849.36 = 12,486 : x
  2. Step 2: Convert to fraction form
    40,566.16/60,849.36 = 12,486/x
  3. Step 3: Cross multiply
    40,566.16x = 60,849.36 × 12,486
  4. Step 4: Simplify right side
    40,566.16x = 759,765,108.96
  5. Step 5: Solve for x
    x = 759,765,108.96/40,566.16
  6. Step 6: Final answer
    x = 18,729.04

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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.