Home / 33,319.20-49,987.45-9,945.64

Finding the Fourth Proportional to 33,319.20, 49,987.45 and 9,945.64

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Solution

The fourth proportional to 33,319.20, 49,987.45 and 9,945.64 is: 14,921.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.20 : 49,987.45 = 9,945.64 : x
  2. Step 2: Convert to fraction form
    33,319.20/49,987.45 = 9,945.64/x
  3. Step 3: Cross multiply
    33,319.20x = 49,987.45 × 9,945.64
  4. Step 4: Simplify right side
    33,319.20x = 497,157,182.22
  5. Step 5: Solve for x
    x = 497,157,182.22/33,319.20
  6. Step 6: Final answer
    x = 14,921.04

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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.