Home / 40,155.40-60,242.66-13,860.36

Finding the Fourth Proportional to 40,155.40, 60,242.66 and 13,860.36

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Solution

The fourth proportional to 40,155.40, 60,242.66 and 13,860.36 is: 20,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.40 : 60,242.66 = 13,860.36 : x
  2. Step 2: Convert to fraction form
    40,155.40/60,242.66 = 13,860.36/x
  3. Step 3: Cross multiply
    40,155.40x = 60,242.66 × 13,860.36
  4. Step 4: Simplify right side
    40,155.40x = 834,984,954.96
  5. Step 5: Solve for x
    x = 834,984,954.96/40,155.40
  6. Step 6: Final answer
    x = 20,793.84

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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.