Home / 40,111.89-60,167.03-13,816.05

Finding the Fourth Proportional to 40,111.89, 60,167.03 and 13,816.05

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Solution

The fourth proportional to 40,111.89, 60,167.03 and 13,816.05 is: 20,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,111.89 : 60,167.03 = 13,816.05 : x
  2. Step 2: Convert to fraction form
    40,111.89/60,167.03 = 13,816.05/x
  3. Step 3: Cross multiply
    40,111.89x = 60,167.03 × 13,816.05
  4. Step 4: Simplify right side
    40,111.89x = 831,270,694.83
  5. Step 5: Solve for x
    x = 831,270,694.83/40,111.89
  6. Step 6: Final answer
    x = 20,723.80

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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.