Home / 60,143.52-82,999.42-38,959.64

Finding the Fourth Proportional to 60,143.52, 82,999.42 and 38,959.64

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Solution

The fourth proportional to 60,143.52, 82,999.42 and 38,959.64 is: 53,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,143.52 : 82,999.42 = 38,959.64 : x
  2. Step 2: Convert to fraction form
    60,143.52/82,999.42 = 38,959.64/x
  3. Step 3: Cross multiply
    60,143.52x = 82,999.42 × 38,959.64
  4. Step 4: Simplify right side
    60,143.52x = 3,233,627,523.41
  5. Step 5: Solve for x
    x = 3,233,627,523.41/60,143.52
  6. Step 6: Final answer
    x = 53,765.19

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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.