Home / 34,111.12-51,179.16-14,387.92

Finding the Fourth Proportional to 34,111.12, 51,179.16 and 14,387.92

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Solution

The fourth proportional to 34,111.12, 51,179.16 and 14,387.92 is: 21,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,111.12 : 51,179.16 = 14,387.92 : x
  2. Step 2: Convert to fraction form
    34,111.12/51,179.16 = 14,387.92/x
  3. Step 3: Cross multiply
    34,111.12x = 51,179.16 × 14,387.92
  4. Step 4: Simplify right side
    34,111.12x = 736,361,659.75
  5. Step 5: Solve for x
    x = 736,361,659.75/34,111.12
  6. Step 6: Final answer
    x = 21,587.14

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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.