Home / 43,610.20-65,436.90-17,315.80

Finding the Fourth Proportional to 43,610.20, 65,436.90 and 17,315.80

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Solution

The fourth proportional to 43,610.20, 65,436.90 and 17,315.80 is: 25,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,610.20 : 65,436.90 = 17,315.80 : x
  2. Step 2: Convert to fraction form
    43,610.20/65,436.90 = 17,315.80/x
  3. Step 3: Cross multiply
    43,610.20x = 65,436.90 × 17,315.80
  4. Step 4: Simplify right side
    43,610.20x = 1,133,092,273.02
  5. Step 5: Solve for x
    x = 1,133,092,273.02/43,610.20
  6. Step 6: Final answer
    x = 25,982.28

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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.