Home / 45,432.15-68,159.15-19,144.41

Finding the Fourth Proportional to 45,432.15, 68,159.15 and 19,144.41

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Solution

The fourth proportional to 45,432.15, 68,159.15 and 19,144.41 is: 28,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.15 : 68,159.15 = 19,144.41 : x
  2. Step 2: Convert to fraction form
    45,432.15/68,159.15 = 19,144.41/x
  3. Step 3: Cross multiply
    45,432.15x = 68,159.15 × 19,144.41
  4. Step 4: Simplify right side
    45,432.15x = 1,304,866,712.85
  5. Step 5: Solve for x
    x = 1,304,866,712.85/45,432.15
  6. Step 6: Final answer
    x = 28,721.22

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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.