Home / 43,358.22-65,062.80-18,396.36

Finding the Fourth Proportional to 43,358.22, 65,062.80 and 18,396.36

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Solution

The fourth proportional to 43,358.22, 65,062.80 and 18,396.36 is: 27,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,358.22 : 65,062.80 = 18,396.36 : x
  2. Step 2: Convert to fraction form
    43,358.22/65,062.80 = 18,396.36/x
  3. Step 3: Cross multiply
    43,358.22x = 65,062.80 × 18,396.36
  4. Step 4: Simplify right side
    43,358.22x = 1,196,918,691.41
  5. Step 5: Solve for x
    x = 1,196,918,691.41/43,358.22
  6. Step 6: Final answer
    x = 27,605.35

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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.