Home / 24,188.20-36,239.10-19,781.80

Finding the Fourth Proportional to 24,188.20, 36,239.10 and 19,781.80

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Solution

The fourth proportional to 24,188.20, 36,239.10 and 19,781.80 is: 29,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,188.20 : 36,239.10 = 19,781.80 : x
  2. Step 2: Convert to fraction form
    24,188.20/36,239.10 = 19,781.80/x
  3. Step 3: Cross multiply
    24,188.20x = 36,239.10 × 19,781.80
  4. Step 4: Simplify right side
    24,188.20x = 716,874,628.38
  5. Step 5: Solve for x
    x = 716,874,628.38/24,188.20
  6. Step 6: Final answer
    x = 29,637.37

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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.