Home / 40,391.14-55,742.80-23,399.96

Finding the Fourth Proportional to 40,391.14, 55,742.80 and 23,399.96

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Solution

The fourth proportional to 40,391.14, 55,742.80 and 23,399.96 is: 32,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.14 : 55,742.80 = 23,399.96 : x
  2. Step 2: Convert to fraction form
    40,391.14/55,742.80 = 23,399.96/x
  3. Step 3: Cross multiply
    40,391.14x = 55,742.80 × 23,399.96
  4. Step 4: Simplify right side
    40,391.14x = 1,304,379,290.29
  5. Step 5: Solve for x
    x = 1,304,379,290.29/40,391.14
  6. Step 6: Final answer
    x = 32,293.70

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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.