Home / 34,483.32-51,734.52-13,721.40

Finding the Fourth Proportional to 34,483.32, 51,734.52 and 13,721.40

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Solution

The fourth proportional to 34,483.32, 51,734.52 and 13,721.40 is: 20,585.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,483.32 : 51,734.52 = 13,721.40 : x
  2. Step 2: Convert to fraction form
    34,483.32/51,734.52 = 13,721.40/x
  3. Step 3: Cross multiply
    34,483.32x = 51,734.52 × 13,721.40
  4. Step 4: Simplify right side
    34,483.32x = 709,870,042.73
  5. Step 5: Solve for x
    x = 709,870,042.73/34,483.32
  6. Step 6: Final answer
    x = 20,585.90

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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.