Home / 35,458.20-53,144.10-15,715.80

Finding the Fourth Proportional to 35,458.20, 53,144.10 and 15,715.80

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Solution

The fourth proportional to 35,458.20, 53,144.10 and 15,715.80 is: 23,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,458.20 : 53,144.10 = 15,715.80 : x
  2. Step 2: Convert to fraction form
    35,458.20/53,144.10 = 15,715.80/x
  3. Step 3: Cross multiply
    35,458.20x = 53,144.10 × 15,715.80
  4. Step 4: Simplify right side
    35,458.20x = 835,202,046.78
  5. Step 5: Solve for x
    x = 835,202,046.78/35,458.20
  6. Step 6: Final answer
    x = 23,554.55

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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.