Home / 69,400.90-104,170.47-38,250.82

Finding the Fourth Proportional to 69,400.90, 104,170.47 and 38,250.82

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Solution

The fourth proportional to 69,400.90, 104,170.47 and 38,250.82 is: 57,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,400.90 : 104,170.47 = 38,250.82 : x
  2. Step 2: Convert to fraction form
    69,400.90/104,170.47 = 38,250.82/x
  3. Step 3: Cross multiply
    69,400.90x = 104,170.47 × 38,250.82
  4. Step 4: Simplify right side
    69,400.90x = 3,984,605,897.29
  5. Step 5: Solve for x
    x = 3,984,605,897.29/69,400.90
  6. Step 6: Final answer
    x = 57,414.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.