Home / 69,944.97-96,521.03-39,730.20

Finding the Fourth Proportional to 69,944.97, 96,521.03 and 39,730.20

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Solution

The fourth proportional to 69,944.97, 96,521.03 and 39,730.20 is: 54,825.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,944.97 : 96,521.03 = 39,730.20 : x
  2. Step 2: Convert to fraction form
    69,944.97/96,521.03 = 39,730.20/x
  3. Step 3: Cross multiply
    69,944.97x = 96,521.03 × 39,730.20
  4. Step 4: Simplify right side
    69,944.97x = 3,834,799,826.11
  5. Step 5: Solve for x
    x = 3,834,799,826.11/69,944.97
  6. Step 6: Final answer
    x = 54,825.96

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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.