Home / 39,656.32-54,728.62-22,660.18

Finding the Fourth Proportional to 39,656.32, 54,728.62 and 22,660.18

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Solution

The fourth proportional to 39,656.32, 54,728.62 and 22,660.18 is: 31,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.32 : 54,728.62 = 22,660.18 : x
  2. Step 2: Convert to fraction form
    39,656.32/54,728.62 = 22,660.18/x
  3. Step 3: Cross multiply
    39,656.32x = 54,728.62 × 22,660.18
  4. Step 4: Simplify right side
    39,656.32x = 1,240,160,380.35
  5. Step 5: Solve for x
    x = 1,240,160,380.35/39,656.32
  6. Step 6: Final answer
    x = 31,272.70

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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.