Home / 69,979.90-96,571.77-38,149.03

Finding the Fourth Proportional to 69,979.90, 96,571.77 and 38,149.03

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Solution

The fourth proportional to 69,979.90, 96,571.77 and 38,149.03 is: 52,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979.90 : 96,571.77 = 38,149.03 : x
  2. Step 2: Convert to fraction form
    69,979.90/96,571.77 = 38,149.03/x
  3. Step 3: Cross multiply
    69,979.90x = 96,571.77 × 38,149.03
  4. Step 4: Simplify right side
    69,979.90x = 3,684,118,892.62
  5. Step 5: Solve for x
    x = 3,684,118,892.62/69,979.90
  6. Step 6: Final answer
    x = 52,645.39

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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.