Home / 40,086.04-55,318.80-22,181.80

Finding the Fourth Proportional to 40,086.04, 55,318.80 and 22,181.80

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Solution

The fourth proportional to 40,086.04, 55,318.80 and 22,181.80 is: 30,610.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.04 : 55,318.80 = 22,181.80 : x
  2. Step 2: Convert to fraction form
    40,086.04/55,318.80 = 22,181.80/x
  3. Step 3: Cross multiply
    40,086.04x = 55,318.80 × 22,181.80
  4. Step 4: Simplify right side
    40,086.04x = 1,227,070,557.84
  5. Step 5: Solve for x
    x = 1,227,070,557.84/40,086.04
  6. Step 6: Final answer
    x = 30,610.92

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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.