Home / 40,298.91-60,436.21-16,920.15

Finding the Fourth Proportional to 40,298.91, 60,436.21 and 16,920.15

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Solution

The fourth proportional to 40,298.91, 60,436.21 and 16,920.15 is: 25,375.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,298.91 : 60,436.21 = 16,920.15 : x
  2. Step 2: Convert to fraction form
    40,298.91/60,436.21 = 16,920.15/x
  3. Step 3: Cross multiply
    40,298.91x = 60,436.21 × 16,920.15
  4. Step 4: Simplify right side
    40,298.91x = 1,022,589,738.63
  5. Step 5: Solve for x
    x = 1,022,589,738.63/40,298.91
  6. Step 6: Final answer
    x = 25,375.12

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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.