Home / 48,463.19-72,680.74-18,874.43

Finding the Fourth Proportional to 48,463.19, 72,680.74 and 18,874.43

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Solution

The fourth proportional to 48,463.19, 72,680.74 and 18,874.43 is: 28,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,463.19 : 72,680.74 = 18,874.43 : x
  2. Step 2: Convert to fraction form
    48,463.19/72,680.74 = 18,874.43/x
  3. Step 3: Cross multiply
    48,463.19x = 72,680.74 × 18,874.43
  4. Step 4: Simplify right side
    48,463.19x = 1,371,807,128.89
  5. Step 5: Solve for x
    x = 1,371,807,128.89/48,463.19
  6. Step 6: Final answer
    x = 28,306.17

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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.