Home / 47,419.22-71,139.41-17,837.30

Finding the Fourth Proportional to 47,419.22, 71,139.41 and 17,837.30

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Solution

The fourth proportional to 47,419.22, 71,139.41 and 17,837.30 is: 26,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,419.22 : 71,139.41 = 17,837.30 : x
  2. Step 2: Convert to fraction form
    47,419.22/71,139.41 = 17,837.30/x
  3. Step 3: Cross multiply
    47,419.22x = 71,139.41 × 17,837.30
  4. Step 4: Simplify right side
    47,419.22x = 1,268,934,553.11
  5. Step 5: Solve for x
    x = 1,268,934,553.11/47,419.22
  6. Step 6: Final answer
    x = 26,759.92

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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.