Home / 69,512.60-95,921.52-39,300.68

Finding the Fourth Proportional to 69,512.60, 95,921.52 and 39,300.68

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Solution

The fourth proportional to 69,512.60, 95,921.52 and 39,300.68 is: 54,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,512.60 : 95,921.52 = 39,300.68 : x
  2. Step 2: Convert to fraction form
    69,512.60/95,921.52 = 39,300.68/x
  3. Step 3: Cross multiply
    69,512.60x = 95,921.52 × 39,300.68
  4. Step 4: Simplify right side
    69,512.60x = 3,769,780,962.63
  5. Step 5: Solve for x
    x = 3,769,780,962.63/69,512.60
  6. Step 6: Final answer
    x = 54,231.62

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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.