Home / 40,079.60-55,309.04-22,175.36

Finding the Fourth Proportional to 40,079.60, 55,309.04 and 22,175.36

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Solution

The fourth proportional to 40,079.60, 55,309.04 and 22,175.36 is: 30,601.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.60 : 55,309.04 = 22,175.36 : x
  2. Step 2: Convert to fraction form
    40,079.60/55,309.04 = 22,175.36/x
  3. Step 3: Cross multiply
    40,079.60x = 55,309.04 × 22,175.36
  4. Step 4: Simplify right side
    40,079.60x = 1,226,497,873.25
  5. Step 5: Solve for x
    x = 1,226,497,873.25/40,079.60
  6. Step 6: Final answer
    x = 30,601.55

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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.