Home / 45,001.20-67,516.39-15,419.30

Finding the Fourth Proportional to 45,001.20, 67,516.39 and 15,419.30

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Solution

The fourth proportional to 45,001.20, 67,516.39 and 15,419.30 is: 23,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,001.20 : 67,516.39 = 15,419.30 : x
  2. Step 2: Convert to fraction form
    45,001.20/67,516.39 = 15,419.30/x
  3. Step 3: Cross multiply
    45,001.20x = 67,516.39 × 15,419.30
  4. Step 4: Simplify right side
    45,001.20x = 1,041,055,472.33
  5. Step 5: Solve for x
    x = 1,041,055,472.33/45,001.20
  6. Step 6: Final answer
    x = 23,133.95

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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.