Home / 43,357.05-65,034.66-19,983.48

Finding the Fourth Proportional to 43,357.05, 65,034.66 and 19,983.48

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Solution

The fourth proportional to 43,357.05, 65,034.66 and 19,983.48 is: 29,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,357.05 : 65,034.66 = 19,983.48 : x
  2. Step 2: Convert to fraction form
    43,357.05/65,034.66 = 19,983.48/x
  3. Step 3: Cross multiply
    43,357.05x = 65,034.66 × 19,983.48
  4. Step 4: Simplify right side
    43,357.05x = 1,299,618,827.42
  5. Step 5: Solve for x
    x = 1,299,618,827.42/43,357.05
  6. Step 6: Final answer
    x = 29,974.80

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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.