Home / 40,173.76-60,241.20-13,869.28

Finding the Fourth Proportional to 40,173.76, 60,241.20 and 13,869.28

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Solution

The fourth proportional to 40,173.76, 60,241.20 and 13,869.28 is: 20,797.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,173.76 : 60,241.20 = 13,869.28 : x
  2. Step 2: Convert to fraction form
    40,173.76/60,241.20 = 13,869.28/x
  3. Step 3: Cross multiply
    40,173.76x = 60,241.20 × 13,869.28
  4. Step 4: Simplify right side
    40,173.76x = 835,502,070.34
  5. Step 5: Solve for x
    x = 835,502,070.34/40,173.76
  6. Step 6: Final answer
    x = 20,797.21

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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.