Home / 40,221.28-60,333.54-19,150.48

Finding the Fourth Proportional to 40,221.28, 60,333.54 and 19,150.48

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Solution

The fourth proportional to 40,221.28, 60,333.54 and 19,150.48 is: 28,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.28 : 60,333.54 = 19,150.48 : x
  2. Step 2: Convert to fraction form
    40,221.28/60,333.54 = 19,150.48/x
  3. Step 3: Cross multiply
    40,221.28x = 60,333.54 × 19,150.48
  4. Step 4: Simplify right side
    40,221.28x = 1,155,416,251.10
  5. Step 5: Solve for x
    x = 1,155,416,251.10/40,221.28
  6. Step 6: Final answer
    x = 28,726.49

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1.5x scale

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.