Home / 39,678.35-59,517.75-15,996.78

Finding the Fourth Proportional to 39,678.35, 59,517.75 and 15,996.78

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Solution

The fourth proportional to 39,678.35, 59,517.75 and 15,996.78 is: 23,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.35 : 59,517.75 = 15,996.78 : x
  2. Step 2: Convert to fraction form
    39,678.35/59,517.75 = 15,996.78/x
  3. Step 3: Cross multiply
    39,678.35x = 59,517.75 × 15,996.78
  4. Step 4: Simplify right side
    39,678.35x = 952,092,352.85
  5. Step 5: Solve for x
    x = 952,092,352.85/39,678.35
  6. Step 6: Final answer
    x = 23,995.26

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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.