Home / 45,410.10-68,115.15-27,889.80

Finding the Fourth Proportional to 45,410.10, 68,115.15 and 27,889.80

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Solution

The fourth proportional to 45,410.10, 68,115.15 and 27,889.80 is: 41,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.10 : 68,115.15 = 27,889.80 : x
  2. Step 2: Convert to fraction form
    45,410.10/68,115.15 = 27,889.80/x
  3. Step 3: Cross multiply
    45,410.10x = 68,115.15 × 27,889.80
  4. Step 4: Simplify right side
    45,410.10x = 1,899,717,910.47
  5. Step 5: Solve for x
    x = 1,899,717,910.47/45,410.10
  6. Step 6: Final answer
    x = 41,834.70

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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.