Home / 43,923.38-65,829.89-18,934.18

Finding the Fourth Proportional to 43,923.38, 65,829.89 and 18,934.18

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Solution

The fourth proportional to 43,923.38, 65,829.89 and 18,934.18 is: 28,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,923.38 : 65,829.89 = 18,934.18 : x
  2. Step 2: Convert to fraction form
    43,923.38/65,829.89 = 18,934.18/x
  3. Step 3: Cross multiply
    43,923.38x = 65,829.89 × 18,934.18
  4. Step 4: Simplify right side
    43,923.38x = 1,246,434,986.64
  5. Step 5: Solve for x
    x = 1,246,434,986.64/43,923.38
  6. Step 6: Final answer
    x = 28,377.48

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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.