Home / 43,843.25-65,774.61-20,456.93

Finding the Fourth Proportional to 43,843.25, 65,774.61 and 20,456.93

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Solution

The fourth proportional to 43,843.25, 65,774.61 and 20,456.93 is: 30,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,843.25 : 65,774.61 = 20,456.93 : x
  2. Step 2: Convert to fraction form
    43,843.25/65,774.61 = 20,456.93/x
  3. Step 3: Cross multiply
    43,843.25x = 65,774.61 × 20,456.93
  4. Step 4: Simplify right side
    43,843.25x = 1,345,546,263.67
  5. Step 5: Solve for x
    x = 1,345,546,263.67/43,843.25
  6. Step 6: Final answer
    x = 30,689.93

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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.