Home / 31,246.78-43,119.54-17,098.68

Finding the Fourth Proportional to 31,246.78, 43,119.54 and 17,098.68

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Solution

The fourth proportional to 31,246.78, 43,119.54 and 17,098.68 is: 23,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.78 : 43,119.54 = 17,098.68 : x
  2. Step 2: Convert to fraction form
    31,246.78/43,119.54 = 17,098.68/x
  3. Step 3: Cross multiply
    31,246.78x = 43,119.54 × 17,098.68
  4. Step 4: Simplify right side
    31,246.78x = 737,287,216.21
  5. Step 5: Solve for x
    x = 737,287,216.21/31,246.78
  6. Step 6: Final answer
    x = 23,595.62

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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.