Home / 45,460.44-62,761.43-30,378.65

Finding the Fourth Proportional to 45,460.44, 62,761.43 and 30,378.65

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Solution

The fourth proportional to 45,460.44, 62,761.43 and 30,378.65 is: 41,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,460.44 : 62,761.43 = 30,378.65 : x
  2. Step 2: Convert to fraction form
    45,460.44/62,761.43 = 30,378.65/x
  3. Step 3: Cross multiply
    45,460.44x = 62,761.43 × 30,378.65
  4. Step 4: Simplify right side
    45,460.44x = 1,906,607,277.61
  5. Step 5: Solve for x
    x = 1,906,607,277.61/45,460.44
  6. Step 6: Final answer
    x = 41,939.92

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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.