Home / 54,789.26-75,605.00-30,918.15

Finding the Fourth Proportional to 54,789.26, 75,605.00 and 30,918.15

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Solution

The fourth proportional to 54,789.26, 75,605.00 and 30,918.15 is: 42,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789.26 : 75,605.00 = 30,918.15 : x
  2. Step 2: Convert to fraction form
    54,789.26/75,605.00 = 30,918.15/x
  3. Step 3: Cross multiply
    54,789.26x = 75,605.00 × 30,918.15
  4. Step 4: Simplify right side
    54,789.26x = 2,337,566,576.16
  5. Step 5: Solve for x
    x = 2,337,566,576.16/54,789.26
  6. Step 6: Final answer
    x = 42,664.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.