Home / 57,433.10-86,061.72-38,643.54

Finding the Fourth Proportional to 57,433.10, 86,061.72 and 38,643.54

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Solution

The fourth proportional to 57,433.10, 86,061.72 and 38,643.54 is: 57,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,433.10 : 86,061.72 = 38,643.54 : x
  2. Step 2: Convert to fraction form
    57,433.10/86,061.72 = 38,643.54/x
  3. Step 3: Cross multiply
    57,433.10x = 86,061.72 × 38,643.54
  4. Step 4: Simplify right side
    57,433.10x = 3,325,729,519.29
  5. Step 5: Solve for x
    x = 3,325,729,519.29/57,433.10
  6. Step 6: Final answer
    x = 57,906.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.