Home / 32,789.16-49,186.45-13,819.28

Finding the Fourth Proportional to 32,789.16, 49,186.45 and 13,819.28

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Solution

The fourth proportional to 32,789.16, 49,186.45 and 13,819.28 is: 20,730.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,789.16 : 49,186.45 = 13,819.28 : x
  2. Step 2: Convert to fraction form
    32,789.16/49,186.45 = 13,819.28/x
  3. Step 3: Cross multiply
    32,789.16x = 49,186.45 × 13,819.28
  4. Step 4: Simplify right side
    32,789.16x = 679,721,324.76
  5. Step 5: Solve for x
    x = 679,721,324.76/32,789.16
  6. Step 6: Final answer
    x = 20,730.06

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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.