Home / 35,251.17-48,646.49-21,819.75

Finding the Fourth Proportional to 35,251.17, 48,646.49 and 21,819.75

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Solution

The fourth proportional to 35,251.17, 48,646.49 and 21,819.75 is: 30,111.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,251.17 : 48,646.49 = 21,819.75 : x
  2. Step 2: Convert to fraction form
    35,251.17/48,646.49 = 21,819.75/x
  3. Step 3: Cross multiply
    35,251.17x = 48,646.49 × 21,819.75
  4. Step 4: Simplify right side
    35,251.17x = 1,061,454,141.08
  5. Step 5: Solve for x
    x = 1,061,454,141.08/35,251.17
  6. Step 6: Final answer
    x = 30,111.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.