Home / 39,202.18-54,121.43-25,812.34

Finding the Fourth Proportional to 39,202.18, 54,121.43 and 25,812.34

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Solution

The fourth proportional to 39,202.18, 54,121.43 and 25,812.34 is: 35,635.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.18 : 54,121.43 = 25,812.34 : x
  2. Step 2: Convert to fraction form
    39,202.18/54,121.43 = 25,812.34/x
  3. Step 3: Cross multiply
    39,202.18x = 54,121.43 × 25,812.34
  4. Step 4: Simplify right side
    39,202.18x = 1,397,000,681.67
  5. Step 5: Solve for x
    x = 1,397,000,681.67/39,202.18
  6. Step 6: Final answer
    x = 35,635.79

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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.