Home / 40,517.28-55,956.96-30,853.80

Finding the Fourth Proportional to 40,517.28, 55,956.96 and 30,853.80

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Solution

The fourth proportional to 40,517.28, 55,956.96 and 30,853.80 is: 42,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,517.28 : 55,956.96 = 30,853.80 : x
  2. Step 2: Convert to fraction form
    40,517.28/55,956.96 = 30,853.80/x
  3. Step 3: Cross multiply
    40,517.28x = 55,956.96 × 30,853.80
  4. Step 4: Simplify right side
    40,517.28x = 1,726,484,852.45
  5. Step 5: Solve for x
    x = 1,726,484,852.45/40,517.28
  6. Step 6: Final answer
    x = 42,611.07

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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.