Home / 45,794.08-68,720.28-19,498.78

Finding the Fourth Proportional to 45,794.08, 68,720.28 and 19,498.78

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Solution

The fourth proportional to 45,794.08, 68,720.28 and 19,498.78 is: 29,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,794.08 : 68,720.28 = 19,498.78 : x
  2. Step 2: Convert to fraction form
    45,794.08/68,720.28 = 19,498.78/x
  3. Step 3: Cross multiply
    45,794.08x = 68,720.28 × 19,498.78
  4. Step 4: Simplify right side
    45,794.08x = 1,339,961,621.26
  5. Step 5: Solve for x
    x = 1,339,961,621.26/45,794.08
  6. Step 6: Final answer
    x = 29,260.59

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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.