Home / 40,156.40-60,244.16-13,861.36

Finding the Fourth Proportional to 40,156.40, 60,244.16 and 13,861.36

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Solution

The fourth proportional to 40,156.40, 60,244.16 and 13,861.36 is: 20,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.40 : 60,244.16 = 13,861.36 : x
  2. Step 2: Convert to fraction form
    40,156.40/60,244.16 = 13,861.36/x
  3. Step 3: Cross multiply
    40,156.40x = 60,244.16 × 13,861.36
  4. Step 4: Simplify right side
    40,156.40x = 835,065,989.66
  5. Step 5: Solve for x
    x = 835,065,989.66/40,156.40
  6. Step 6: Final answer
    x = 20,795.34

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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.