Home / 23,179.11-34,702.41-21,707.79

Finding the Fourth Proportional to 23,179.11, 34,702.41 and 21,707.79

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Solution

The fourth proportional to 23,179.11, 34,702.41 and 21,707.79 is: 32,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,179.11 : 34,702.41 = 21,707.79 : x
  2. Step 2: Convert to fraction form
    23,179.11/34,702.41 = 21,707.79/x
  3. Step 3: Cross multiply
    23,179.11x = 34,702.41 × 21,707.79
  4. Step 4: Simplify right side
    23,179.11x = 753,312,628.77
  5. Step 5: Solve for x
    x = 753,312,628.77/23,179.11
  6. Step 6: Final answer
    x = 32,499.64

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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.