Home / 43,781.11-65,641.67-15,700.57

Finding the Fourth Proportional to 43,781.11, 65,641.67 and 15,700.57

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Solution

The fourth proportional to 43,781.11, 65,641.67 and 15,700.57 is: 23,540.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,781.11 : 65,641.67 = 15,700.57 : x
  2. Step 2: Convert to fraction form
    43,781.11/65,641.67 = 15,700.57/x
  3. Step 3: Cross multiply
    43,781.11x = 65,641.67 × 15,700.57
  4. Step 4: Simplify right side
    43,781.11x = 1,030,611,539.34
  5. Step 5: Solve for x
    x = 1,030,611,539.34/43,781.11
  6. Step 6: Final answer
    x = 23,540.09

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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.