Home / 48,401.23-72,606.33-18,821.29

Finding the Fourth Proportional to 48,401.23, 72,606.33 and 18,821.29

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Solution

The fourth proportional to 48,401.23, 72,606.33 and 18,821.29 is: 28,233.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,401.23 : 72,606.33 = 18,821.29 : x
  2. Step 2: Convert to fraction form
    48,401.23/72,606.33 = 18,821.29/x
  3. Step 3: Cross multiply
    48,401.23x = 72,606.33 × 18,821.29
  4. Step 4: Simplify right side
    48,401.23x = 1,366,544,792.77
  5. Step 5: Solve for x
    x = 1,366,544,792.77/48,401.23
  6. Step 6: Final answer
    x = 28,233.68

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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.