Home / 40,071.14-55,299.30-22,167.78

Finding the Fourth Proportional to 40,071.14, 55,299.30 and 22,167.78

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Solution

The fourth proportional to 40,071.14, 55,299.30 and 22,167.78 is: 30,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,071.14 : 55,299.30 = 22,167.78 : x
  2. Step 2: Convert to fraction form
    40,071.14/55,299.30 = 22,167.78/x
  3. Step 3: Cross multiply
    40,071.14x = 55,299.30 × 22,167.78
  4. Step 4: Simplify right side
    40,071.14x = 1,225,862,716.55
  5. Step 5: Solve for x
    x = 1,225,862,716.55/40,071.14
  6. Step 6: Final answer
    x = 30,592.16

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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.