Home / 40,391.28-55,741.80-23,396.28

Finding the Fourth Proportional to 40,391.28, 55,741.80 and 23,396.28

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Solution

The fourth proportional to 40,391.28, 55,741.80 and 23,396.28 is: 32,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.28 : 55,741.80 = 23,396.28 : x
  2. Step 2: Convert to fraction form
    40,391.28/55,741.80 = 23,396.28/x
  3. Step 3: Cross multiply
    40,391.28x = 55,741.80 × 23,396.28
  4. Step 4: Simplify right side
    40,391.28x = 1,304,150,760.50
  5. Step 5: Solve for x
    x = 1,304,150,760.50/40,391.28
  6. Step 6: Final answer
    x = 32,287.93

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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.