Home / 30,251.30-41,746.57-16,823.78

Finding the Fourth Proportional to 30,251.30, 41,746.57 and 16,823.78

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Solution

The fourth proportional to 30,251.30, 41,746.57 and 16,823.78 is: 23,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.30 : 41,746.57 = 16,823.78 : x
  2. Step 2: Convert to fraction form
    30,251.30/41,746.57 = 16,823.78/x
  3. Step 3: Cross multiply
    30,251.30x = 41,746.57 × 16,823.78
  4. Step 4: Simplify right side
    30,251.30x = 702,335,109.43
  5. Step 5: Solve for x
    x = 702,335,109.43/30,251.30
  6. Step 6: Final answer
    x = 23,216.69

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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.