Home / 30,348.08-41,876.20-16,917.72

Finding the Fourth Proportional to 30,348.08, 41,876.20 and 16,917.72

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Solution

The fourth proportional to 30,348.08, 41,876.20 and 16,917.72 is: 23,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.08 : 41,876.20 = 16,917.72 : x
  2. Step 2: Convert to fraction form
    30,348.08/41,876.20 = 16,917.72/x
  3. Step 3: Cross multiply
    30,348.08x = 41,876.20 × 16,917.72
  4. Step 4: Simplify right side
    30,348.08x = 708,449,826.26
  5. Step 5: Solve for x
    x = 708,449,826.26/30,348.08
  6. Step 6: Final answer
    x = 23,344.14

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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.