Home / 23,110.20-34,665.30-19,829.70

Finding the Fourth Proportional to 23,110.20, 34,665.30 and 19,829.70

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Solution

The fourth proportional to 23,110.20, 34,665.30 and 19,829.70 is: 29,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110.20 : 34,665.30 = 19,829.70 : x
  2. Step 2: Convert to fraction form
    23,110.20/34,665.30 = 19,829.70/x
  3. Step 3: Cross multiply
    23,110.20x = 34,665.30 × 19,829.70
  4. Step 4: Simplify right side
    23,110.20x = 687,402,499.41
  5. Step 5: Solve for x
    x = 687,402,499.41/23,110.20
  6. Step 6: Final answer
    x = 29,744.55

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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.