Home / 30,360.25-41,902.62-17,785

Finding the Fourth Proportional to 30,360.25, 41,902.62 and 17,785

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Solution

The fourth proportional to 30,360.25, 41,902.62 and 17,785 is: 24,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.25 : 41,902.62 = 17,785 : x
  2. Step 2: Convert to fraction form
    30,360.25/41,902.62 = 17,785/x
  3. Step 3: Cross multiply
    30,360.25x = 41,902.62 × 17,785
  4. Step 4: Simplify right side
    30,360.25x = 745,238,096.70
  5. Step 5: Solve for x
    x = 745,238,096.70/30,360.25
  6. Step 6: Final answer
    x = 24,546.51

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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.