Home / 34,179.12-51,264.44-9,221.20

Finding the Fourth Proportional to 34,179.12, 51,264.44 and 9,221.20

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Solution

The fourth proportional to 34,179.12, 51,264.44 and 9,221.20 is: 13,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,179.12 : 51,264.44 = 9,221.20 : x
  2. Step 2: Convert to fraction form
    34,179.12/51,264.44 = 9,221.20/x
  3. Step 3: Cross multiply
    34,179.12x = 51,264.44 × 9,221.20
  4. Step 4: Simplify right side
    34,179.12x = 472,719,654.13
  5. Step 5: Solve for x
    x = 472,719,654.13/34,179.12
  6. Step 6: Final answer
    x = 13,830.66

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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.