Home / 34,855.16-48,100.20-18,939.26

Finding the Fourth Proportional to 34,855.16, 48,100.20 and 18,939.26

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Solution

The fourth proportional to 34,855.16, 48,100.20 and 18,939.26 is: 26,136.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,855.16 : 48,100.20 = 18,939.26 : x
  2. Step 2: Convert to fraction form
    34,855.16/48,100.20 = 18,939.26/x
  3. Step 3: Cross multiply
    34,855.16x = 48,100.20 × 18,939.26
  4. Step 4: Simplify right side
    34,855.16x = 910,982,193.85
  5. Step 5: Solve for x
    x = 910,982,193.85/34,855.16
  6. Step 6: Final answer
    x = 26,136.22

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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.