Home / 51,456.97-77,222.36-21,895.57

Finding the Fourth Proportional to 51,456.97, 77,222.36 and 21,895.57

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Solution

The fourth proportional to 51,456.97, 77,222.36 and 21,895.57 is: 32,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,456.97 : 77,222.36 = 21,895.57 : x
  2. Step 2: Convert to fraction form
    51,456.97/77,222.36 = 21,895.57/x
  3. Step 3: Cross multiply
    51,456.97x = 77,222.36 × 21,895.57
  4. Step 4: Simplify right side
    51,456.97x = 1,690,827,479.47
  5. Step 5: Solve for x
    x = 1,690,827,479.47/51,456.97
  6. Step 6: Final answer
    x = 32,859.06

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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.