Home / 55,694.97-76,859.16-31,821.57

Finding the Fourth Proportional to 55,694.97, 76,859.16 and 31,821.57

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Solution

The fourth proportional to 55,694.97, 76,859.16 and 31,821.57 is: 43,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,694.97 : 76,859.16 = 31,821.57 : x
  2. Step 2: Convert to fraction form
    55,694.97/76,859.16 = 31,821.57/x
  3. Step 3: Cross multiply
    55,694.97x = 76,859.16 × 31,821.57
  4. Step 4: Simplify right side
    55,694.97x = 2,445,779,140.08
  5. Step 5: Solve for x
    x = 2,445,779,140.08/55,694.97
  6. Step 6: Final answer
    x = 43,913.82

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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.