Home / 48,426.20-72,639.30-40,234.20

Finding the Fourth Proportional to 48,426.20, 72,639.30 and 40,234.20

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Solution

The fourth proportional to 48,426.20, 72,639.30 and 40,234.20 is: 60,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,426.20 : 72,639.30 = 40,234.20 : x
  2. Step 2: Convert to fraction form
    48,426.20/72,639.30 = 40,234.20/x
  3. Step 3: Cross multiply
    48,426.20x = 72,639.30 × 40,234.20
  4. Step 4: Simplify right side
    48,426.20x = 2,922,584,124.06
  5. Step 5: Solve for x
    x = 2,922,584,124.06/48,426.20
  6. Step 6: Final answer
    x = 60,351.30

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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.