Home / 43,823.25-65,781.68-18,875.66

Finding the Fourth Proportional to 43,823.25, 65,781.68 and 18,875.66

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Solution

The fourth proportional to 43,823.25, 65,781.68 and 18,875.66 is: 28,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,823.25 : 65,781.68 = 18,875.66 : x
  2. Step 2: Convert to fraction form
    43,823.25/65,781.68 = 18,875.66/x
  3. Step 3: Cross multiply
    43,823.25x = 65,781.68 × 18,875.66
  4. Step 4: Simplify right side
    43,823.25x = 1,241,672,202.62
  5. Step 5: Solve for x
    x = 1,241,672,202.62/43,823.25
  6. Step 6: Final answer
    x = 28,333.64

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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.