Home / 50,979.44-70,349.25-28,319.90

Finding the Fourth Proportional to 50,979.44, 70,349.25 and 28,319.90

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Solution

The fourth proportional to 50,979.44, 70,349.25 and 28,319.90 is: 39,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979.44 : 70,349.25 = 28,319.90 : x
  2. Step 2: Convert to fraction form
    50,979.44/70,349.25 = 28,319.90/x
  3. Step 3: Cross multiply
    50,979.44x = 70,349.25 × 28,319.90
  4. Step 4: Simplify right side
    50,979.44x = 1,992,283,725.08
  5. Step 5: Solve for x
    x = 1,992,283,725.08/50,979.44
  6. Step 6: Final answer
    x = 39,080.14

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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.