Home / 45,832.97-68,710.28-20,864.12

Finding the Fourth Proportional to 45,832.97, 68,710.28 and 20,864.12

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Solution

The fourth proportional to 45,832.97, 68,710.28 and 20,864.12 is: 31,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,832.97 : 68,710.28 = 20,864.12 : x
  2. Step 2: Convert to fraction form
    45,832.97/68,710.28 = 20,864.12/x
  3. Step 3: Cross multiply
    45,832.97x = 68,710.28 × 20,864.12
  4. Step 4: Simplify right side
    45,832.97x = 1,433,579,079.28
  5. Step 5: Solve for x
    x = 1,433,579,079.28/45,832.97
  6. Step 6: Final answer
    x = 31,278.34

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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.