Home / 19,837.12-29,755.55-5,045.92

Finding the Fourth Proportional to 19,837.12, 29,755.55 and 5,045.92

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Solution

The fourth proportional to 19,837.12, 29,755.55 and 5,045.92 is: 7,568.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.12 : 29,755.55 = 5,045.92 : x
  2. Step 2: Convert to fraction form
    19,837.12/29,755.55 = 5,045.92/x
  3. Step 3: Cross multiply
    19,837.12x = 29,755.55 × 5,045.92
  4. Step 4: Simplify right side
    19,837.12x = 150,143,976.08
  5. Step 5: Solve for x
    x = 150,143,976.08/19,837.12
  6. Step 6: Final answer
    x = 7,568.84

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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.