Home / 45,007.20-67,510.80-40,195.80

Finding the Fourth Proportional to 45,007.20, 67,510.80 and 40,195.80

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Solution

The fourth proportional to 45,007.20, 67,510.80 and 40,195.80 is: 60,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,007.20 : 67,510.80 = 40,195.80 : x
  2. Step 2: Convert to fraction form
    45,007.20/67,510.80 = 40,195.80/x
  3. Step 3: Cross multiply
    45,007.20x = 67,510.80 × 40,195.80
  4. Step 4: Simplify right side
    45,007.20x = 2,713,650,614.64
  5. Step 5: Solve for x
    x = 2,713,650,614.64/45,007.20
  6. Step 6: Final answer
    x = 60,293.70

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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.