Home / 41,022.12-61,511.31-21,251.64

Finding the Fourth Proportional to 41,022.12, 61,511.31 and 21,251.64

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Solution

The fourth proportional to 41,022.12, 61,511.31 and 21,251.64 is: 31,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,022.12 : 61,511.31 = 21,251.64 : x
  2. Step 2: Convert to fraction form
    41,022.12/61,511.31 = 21,251.64/x
  3. Step 3: Cross multiply
    41,022.12x = 61,511.31 × 21,251.64
  4. Step 4: Simplify right side
    41,022.12x = 1,307,216,216.05
  5. Step 5: Solve for x
    x = 1,307,216,216.05/41,022.12
  6. Step 6: Final answer
    x = 31,866.13

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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.