Home / 40,445.28-60,677.58-12,743.28

Finding the Fourth Proportional to 40,445.28, 60,677.58 and 12,743.28

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Solution

The fourth proportional to 40,445.28, 60,677.58 and 12,743.28 is: 19,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,445.28 : 60,677.58 = 12,743.28 : x
  2. Step 2: Convert to fraction form
    40,445.28/60,677.58 = 12,743.28/x
  3. Step 3: Cross multiply
    40,445.28x = 60,677.58 × 12,743.28
  4. Step 4: Simplify right side
    40,445.28x = 773,231,391.66
  5. Step 5: Solve for x
    x = 773,231,391.66/40,445.28
  6. Step 6: Final answer
    x = 19,117.96

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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.