Home / 49,820.16-74,731.68-18,649.44

Finding the Fourth Proportional to 49,820.16, 74,731.68 and 18,649.44

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Solution

The fourth proportional to 49,820.16, 74,731.68 and 18,649.44 is: 27,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.16 : 74,731.68 = 18,649.44 : x
  2. Step 2: Convert to fraction form
    49,820.16/74,731.68 = 18,649.44/x
  3. Step 3: Cross multiply
    49,820.16x = 74,731.68 × 18,649.44
  4. Step 4: Simplify right side
    49,820.16x = 1,393,703,982.26
  5. Step 5: Solve for x
    x = 1,393,703,982.26/49,820.16
  6. Step 6: Final answer
    x = 27,974.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.