Home / 40,128.90-60,200.55-16,757.70

Finding the Fourth Proportional to 40,128.90, 60,200.55 and 16,757.70

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Solution

The fourth proportional to 40,128.90, 60,200.55 and 16,757.70 is: 25,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,128.90 : 60,200.55 = 16,757.70 : x
  2. Step 2: Convert to fraction form
    40,128.90/60,200.55 = 16,757.70/x
  3. Step 3: Cross multiply
    40,128.90x = 60,200.55 × 16,757.70
  4. Step 4: Simplify right side
    40,128.90x = 1,008,822,756.74
  5. Step 5: Solve for x
    x = 1,008,822,756.74/40,128.90
  6. Step 6: Final answer
    x = 25,139.56

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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.