Home / 40,724.96-56,234.68-30,635.92

Finding the Fourth Proportional to 40,724.96, 56,234.68 and 30,635.92

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Solution

The fourth proportional to 40,724.96, 56,234.68 and 30,635.92 is: 42,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724.96 : 56,234.68 = 30,635.92 : x
  2. Step 2: Convert to fraction form
    40,724.96/56,234.68 = 30,635.92/x
  3. Step 3: Cross multiply
    40,724.96x = 56,234.68 × 30,635.92
  4. Step 4: Simplify right side
    40,724.96x = 1,722,800,940.53
  5. Step 5: Solve for x
    x = 1,722,800,940.53/40,724.96
  6. Step 6: Final answer
    x = 42,303.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.