Home / 45,469.89-62,758.13-30,557.25

Finding the Fourth Proportional to 45,469.89, 62,758.13 and 30,557.25

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Solution

The fourth proportional to 45,469.89, 62,758.13 and 30,557.25 is: 42,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,469.89 : 62,758.13 = 30,557.25 : x
  2. Step 2: Convert to fraction form
    45,469.89/62,758.13 = 30,557.25/x
  3. Step 3: Cross multiply
    45,469.89x = 62,758.13 × 30,557.25
  4. Step 4: Simplify right side
    45,469.89x = 1,917,715,715.16
  5. Step 5: Solve for x
    x = 1,917,715,715.16/45,469.89
  6. Step 6: Final answer
    x = 42,175.51

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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.