Home / 40,171.29-55,436.82-22,266.63

Finding the Fourth Proportional to 40,171.29, 55,436.82 and 22,266.63

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Solution

The fourth proportional to 40,171.29, 55,436.82 and 22,266.63 is: 30,728.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.29 : 55,436.82 = 22,266.63 : x
  2. Step 2: Convert to fraction form
    40,171.29/55,436.82 = 22,266.63/x
  3. Step 3: Cross multiply
    40,171.29x = 55,436.82 × 22,266.63
  4. Step 4: Simplify right side
    40,171.29x = 1,234,391,159.32
  5. Step 5: Solve for x
    x = 1,234,391,159.32/40,171.29
  6. Step 6: Final answer
    x = 30,728.19

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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.