Home / 55,578.36-76,691.00-31,703.61

Finding the Fourth Proportional to 55,578.36, 76,691.00 and 31,703.61

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Solution

The fourth proportional to 55,578.36, 76,691.00 and 31,703.61 is: 43,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,578.36 : 76,691.00 = 31,703.61 : x
  2. Step 2: Convert to fraction form
    55,578.36/76,691.00 = 31,703.61/x
  3. Step 3: Cross multiply
    55,578.36x = 76,691.00 × 31,703.61
  4. Step 4: Simplify right side
    55,578.36x = 2,431,381,395.99
  5. Step 5: Solve for x
    x = 2,431,381,395.99/55,578.36
  6. Step 6: Final answer
    x = 43,746.91

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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.