Home / 47,577.38-71,291.95-17,979.06

Finding the Fourth Proportional to 47,577.38, 71,291.95 and 17,979.06

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Solution

The fourth proportional to 47,577.38, 71,291.95 and 17,979.06 is: 26,940.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,577.38 : 71,291.95 = 17,979.06 : x
  2. Step 2: Convert to fraction form
    47,577.38/71,291.95 = 17,979.06/x
  3. Step 3: Cross multiply
    47,577.38x = 71,291.95 × 17,979.06
  4. Step 4: Simplify right side
    47,577.38x = 1,281,762,468.96
  5. Step 5: Solve for x
    x = 1,281,762,468.96/47,577.38
  6. Step 6: Final answer
    x = 26,940.59

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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.