Home / 52,745.18-79,109.24-19,480.91

Finding the Fourth Proportional to 52,745.18, 79,109.24 and 19,480.91

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Solution

The fourth proportional to 52,745.18, 79,109.24 and 19,480.91 is: 29,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,745.18 : 79,109.24 = 19,480.91 : x
  2. Step 2: Convert to fraction form
    52,745.18/79,109.24 = 19,480.91/x
  3. Step 3: Cross multiply
    52,745.18x = 79,109.24 × 19,480.91
  4. Step 4: Simplify right side
    52,745.18x = 1,541,119,491.66
  5. Step 5: Solve for x
    x = 1,541,119,491.66/52,745.18
  6. Step 6: Final answer
    x = 29,218.21

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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.