Home / 69,163.20-95,443.96-38,948.40

Finding the Fourth Proportional to 69,163.20, 95,443.96 and 38,948.40

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Solution

The fourth proportional to 69,163.20, 95,443.96 and 38,948.40 is: 53,748.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,163.20 : 95,443.96 = 38,948.40 : x
  2. Step 2: Convert to fraction form
    69,163.20/95,443.96 = 38,948.40/x
  3. Step 3: Cross multiply
    69,163.20x = 95,443.96 × 38,948.40
  4. Step 4: Simplify right side
    69,163.20x = 3,717,389,531.66
  5. Step 5: Solve for x
    x = 3,717,389,531.66/69,163.20
  6. Step 6: Final answer
    x = 53,748.08

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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.