Home / 42,019.28-57,986.92-23,157.04

Finding the Fourth Proportional to 42,019.28, 57,986.92 and 23,157.04

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Solution

The fourth proportional to 42,019.28, 57,986.92 and 23,157.04 is: 31,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,019.28 : 57,986.92 = 23,157.04 : x
  2. Step 2: Convert to fraction form
    42,019.28/57,986.92 = 23,157.04/x
  3. Step 3: Cross multiply
    42,019.28x = 57,986.92 × 23,157.04
  4. Step 4: Simplify right side
    42,019.28x = 1,342,805,425.92
  5. Step 5: Solve for x
    x = 1,342,805,425.92/42,019.28
  6. Step 6: Final answer
    x = 31,956.89

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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.