Home / 40,206.87-60,320.34-12,126.24

Finding the Fourth Proportional to 40,206.87, 60,320.34 and 12,126.24

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Solution

The fourth proportional to 40,206.87, 60,320.34 and 12,126.24 is: 18,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,206.87 : 60,320.34 = 12,126.24 : x
  2. Step 2: Convert to fraction form
    40,206.87/60,320.34 = 12,126.24/x
  3. Step 3: Cross multiply
    40,206.87x = 60,320.34 × 12,126.24
  4. Step 4: Simplify right side
    40,206.87x = 731,458,919.72
  5. Step 5: Solve for x
    x = 731,458,919.72/40,206.87
  6. Step 6: Final answer
    x = 18,192.39

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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.