Home / 34,017.42-51,012.99-11,215.78

Finding the Fourth Proportional to 34,017.42, 51,012.99 and 11,215.78

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Solution

The fourth proportional to 34,017.42, 51,012.99 and 11,215.78 is: 16,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,017.42 : 51,012.99 = 11,215.78 : x
  2. Step 2: Convert to fraction form
    34,017.42/51,012.99 = 11,215.78/x
  3. Step 3: Cross multiply
    34,017.42x = 51,012.99 × 11,215.78
  4. Step 4: Simplify right side
    34,017.42x = 572,150,632.40
  5. Step 5: Solve for x
    x = 572,150,632.40/34,017.42
  6. Step 6: Final answer
    x = 16,819.34

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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.