Home / 34,140.43-51,175.47-13,074.73

Finding the Fourth Proportional to 34,140.43, 51,175.47 and 13,074.73

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Solution

The fourth proportional to 34,140.43, 51,175.47 and 13,074.73 is: 19,598.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,140.43 : 51,175.47 = 13,074.73 : x
  2. Step 2: Convert to fraction form
    34,140.43/51,175.47 = 13,074.73/x
  3. Step 3: Cross multiply
    34,140.43x = 51,175.47 × 13,074.73
  4. Step 4: Simplify right side
    34,140.43x = 669,105,452.87
  5. Step 5: Solve for x
    x = 669,105,452.87/34,140.43
  6. Step 6: Final answer
    x = 19,598.62

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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.