Home / 40,038.46-60,061.79-13,739.78

Finding the Fourth Proportional to 40,038.46, 60,061.79 and 13,739.78

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Solution

The fourth proportional to 40,038.46, 60,061.79 and 13,739.78 is: 20,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,038.46 : 60,061.79 = 13,739.78 : x
  2. Step 2: Convert to fraction form
    40,038.46/60,061.79 = 13,739.78/x
  3. Step 3: Cross multiply
    40,038.46x = 60,061.79 × 13,739.78
  4. Step 4: Simplify right side
    40,038.46x = 825,235,781.01
  5. Step 5: Solve for x
    x = 825,235,781.01/40,038.46
  6. Step 6: Final answer
    x = 20,611.08

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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.