Home / 40,221.78-60,334.29-19,150.98

Finding the Fourth Proportional to 40,221.78, 60,334.29 and 19,150.98

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Solution

The fourth proportional to 40,221.78, 60,334.29 and 19,150.98 is: 28,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.78 : 60,334.29 = 19,150.98 : x
  2. Step 2: Convert to fraction form
    40,221.78/60,334.29 = 19,150.98/x
  3. Step 3: Cross multiply
    40,221.78x = 60,334.29 × 19,150.98
  4. Step 4: Simplify right side
    40,221.78x = 1,155,460,781.10
  5. Step 5: Solve for x
    x = 1,155,460,781.10/40,221.78
  6. Step 6: Final answer
    x = 28,727.24

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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.