Home / 73,319.12-109,979.48-23,398.80

Finding the Fourth Proportional to 73,319.12, 109,979.48 and 23,398.80

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Solution

The fourth proportional to 73,319.12, 109,979.48 and 23,398.80 is: 35,098.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,319.12 : 109,979.48 = 23,398.80 : x
  2. Step 2: Convert to fraction form
    73,319.12/109,979.48 = 23,398.80/x
  3. Step 3: Cross multiply
    73,319.12x = 109,979.48 × 23,398.80
  4. Step 4: Simplify right side
    73,319.12x = 2,573,387,856.62
  5. Step 5: Solve for x
    x = 2,573,387,856.62/73,319.12
  6. Step 6: Final answer
    x = 35,098.46

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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.