Home / 48,144.14-72,233.31-21,487.71

Finding the Fourth Proportional to 48,144.14, 72,233.31 and 21,487.71

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Solution

The fourth proportional to 48,144.14, 72,233.31 and 21,487.71 is: 32,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,144.14 : 72,233.31 = 21,487.71 : x
  2. Step 2: Convert to fraction form
    48,144.14/72,233.31 = 21,487.71/x
  3. Step 3: Cross multiply
    48,144.14x = 72,233.31 × 21,487.71
  4. Step 4: Simplify right side
    48,144.14x = 1,552,128,302.33
  5. Step 5: Solve for x
    x = 1,552,128,302.33/48,144.14
  6. Step 6: Final answer
    x = 32,239.19

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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.