Home / 43,720.20-65,537.10-17,389.80

Finding the Fourth Proportional to 43,720.20, 65,537.10 and 17,389.80

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Solution

The fourth proportional to 43,720.20, 65,537.10 and 17,389.80 is: 26,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,720.20 : 65,537.10 = 17,389.80 : x
  2. Step 2: Convert to fraction form
    43,720.20/65,537.10 = 17,389.80/x
  3. Step 3: Cross multiply
    43,720.20x = 65,537.10 × 17,389.80
  4. Step 4: Simplify right side
    43,720.20x = 1,139,677,061.58
  5. Step 5: Solve for x
    x = 1,139,677,061.58/43,720.20
  6. Step 6: Final answer
    x = 26,067.52

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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.