Home / 20,275.20-30,416.68-6,232.70

Finding the Fourth Proportional to 20,275.20, 30,416.68 and 6,232.70

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Solution

The fourth proportional to 20,275.20, 30,416.68 and 6,232.70 is: 9,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,275.20 : 30,416.68 = 6,232.70 : x
  2. Step 2: Convert to fraction form
    20,275.20/30,416.68 = 6,232.70/x
  3. Step 3: Cross multiply
    20,275.20x = 30,416.68 × 6,232.70
  4. Step 4: Simplify right side
    20,275.20x = 189,578,041.44
  5. Step 5: Solve for x
    x = 189,578,041.44/20,275.20
  6. Step 6: Final answer
    x = 9,350.24

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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.