Home / 69,164.20-95,445.34-38,949.40

Finding the Fourth Proportional to 69,164.20, 95,445.34 and 38,949.40

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Solution

The fourth proportional to 69,164.20, 95,445.34 and 38,949.40 is: 53,749.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,164.20 : 95,445.34 = 38,949.40 : x
  2. Step 2: Convert to fraction form
    69,164.20/95,445.34 = 38,949.40/x
  3. Step 3: Cross multiply
    69,164.20x = 95,445.34 × 38,949.40
  4. Step 4: Simplify right side
    69,164.20x = 3,717,538,725.80
  5. Step 5: Solve for x
    x = 3,717,538,725.80/69,164.20
  6. Step 6: Final answer
    x = 53,749.46

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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.