Home / 51,398.19-77,108.62-21,841.29

Finding the Fourth Proportional to 51,398.19, 77,108.62 and 21,841.29

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Solution

The fourth proportional to 51,398.19, 77,108.62 and 21,841.29 is: 32,766.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,398.19 : 77,108.62 = 21,841.29 : x
  2. Step 2: Convert to fraction form
    51,398.19/77,108.62 = 21,841.29/x
  3. Step 3: Cross multiply
    51,398.19x = 77,108.62 × 21,841.29
  4. Step 4: Simplify right side
    51,398.19x = 1,684,151,730.92
  5. Step 5: Solve for x
    x = 1,684,151,730.92/51,398.19
  6. Step 6: Final answer
    x = 32,766.75

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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.