Home / 30,305.63-41,820.92-16,876.88

Finding the Fourth Proportional to 30,305.63, 41,820.92 and 16,876.88

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Solution

The fourth proportional to 30,305.63, 41,820.92 and 16,876.88 is: 23,289.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.63 : 41,820.92 = 16,876.88 : x
  2. Step 2: Convert to fraction form
    30,305.63/41,820.92 = 16,876.88/x
  3. Step 3: Cross multiply
    30,305.63x = 41,820.92 × 16,876.88
  4. Step 4: Simplify right side
    30,305.63x = 705,806,354.84
  5. Step 5: Solve for x
    x = 705,806,354.84/30,305.63
  6. Step 6: Final answer
    x = 23,289.62

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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.