Home / 34,878.88-52,351.20-12,713.68

Finding the Fourth Proportional to 34,878.88, 52,351.20 and 12,713.68

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Solution

The fourth proportional to 34,878.88, 52,351.20 and 12,713.68 is: 19,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.88 : 52,351.20 = 12,713.68 : x
  2. Step 2: Convert to fraction form
    34,878.88/52,351.20 = 12,713.68/x
  3. Step 3: Cross multiply
    34,878.88x = 52,351.20 × 12,713.68
  4. Step 4: Simplify right side
    34,878.88x = 665,576,404.42
  5. Step 5: Solve for x
    x = 665,576,404.42/34,878.88
  6. Step 6: Final answer
    x = 19,082.51

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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.