Home / 40,385.28-55,659.04-32,856.54

Finding the Fourth Proportional to 40,385.28, 55,659.04 and 32,856.54

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Solution

The fourth proportional to 40,385.28, 55,659.04 and 32,856.54 is: 45,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,385.28 : 55,659.04 = 32,856.54 : x
  2. Step 2: Convert to fraction form
    40,385.28/55,659.04 = 32,856.54/x
  3. Step 3: Cross multiply
    40,385.28x = 55,659.04 × 32,856.54
  4. Step 4: Simplify right side
    40,385.28x = 1,828,763,474.12
  5. Step 5: Solve for x
    x = 1,828,763,474.12/40,385.28
  6. Step 6: Final answer
    x = 45,282.92

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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.