Home / 45,949.93-68,934.13-20,983.28

Finding the Fourth Proportional to 45,949.93, 68,934.13 and 20,983.28

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Solution

The fourth proportional to 45,949.93, 68,934.13 and 20,983.28 is: 31,479.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,949.93 : 68,934.13 = 20,983.28 : x
  2. Step 2: Convert to fraction form
    45,949.93/68,934.13 = 20,983.28/x
  3. Step 3: Cross multiply
    45,949.93x = 68,934.13 × 20,983.28
  4. Step 4: Simplify right side
    45,949.93x = 1,446,463,918.59
  5. Step 5: Solve for x
    x = 1,446,463,918.59/45,949.93
  6. Step 6: Final answer
    x = 31,479.13

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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.