Home / 43,416.56-65,080.92-17,139.80

Finding the Fourth Proportional to 43,416.56, 65,080.92 and 17,139.80

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Solution

The fourth proportional to 43,416.56, 65,080.92 and 17,139.80 is: 25,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,416.56 : 65,080.92 = 17,139.80 : x
  2. Step 2: Convert to fraction form
    43,416.56/65,080.92 = 17,139.80/x
  3. Step 3: Cross multiply
    43,416.56x = 65,080.92 × 17,139.80
  4. Step 4: Simplify right side
    43,416.56x = 1,115,473,952.62
  5. Step 5: Solve for x
    x = 1,115,473,952.62/43,416.56
  6. Step 6: Final answer
    x = 25,692.36

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1.5x scale

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.