Home / 55,819.92-77,032.36-30,326.79

Finding the Fourth Proportional to 55,819.92, 77,032.36 and 30,326.79

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Solution

The fourth proportional to 55,819.92, 77,032.36 and 30,326.79 is: 41,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,819.92 : 77,032.36 = 30,326.79 : x
  2. Step 2: Convert to fraction form
    55,819.92/77,032.36 = 30,326.79/x
  3. Step 3: Cross multiply
    55,819.92x = 77,032.36 × 30,326.79
  4. Step 4: Simplify right side
    55,819.92x = 2,336,144,013.10
  5. Step 5: Solve for x
    x = 2,336,144,013.10/55,819.92
  6. Step 6: Final answer
    x = 41,851.44

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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.