Home / 33,908.12-50,861.10-8,947.40

Finding the Fourth Proportional to 33,908.12, 50,861.10 and 8,947.40

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Solution

The fourth proportional to 33,908.12, 50,861.10 and 8,947.40 is: 13,420.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,908.12 : 50,861.10 = 8,947.40 : x
  2. Step 2: Convert to fraction form
    33,908.12/50,861.10 = 8,947.40/x
  3. Step 3: Cross multiply
    33,908.12x = 50,861.10 × 8,947.40
  4. Step 4: Simplify right side
    33,908.12x = 455,074,606.14
  5. Step 5: Solve for x
    x = 455,074,606.14/33,908.12
  6. Step 6: Final answer
    x = 13,420.82

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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.