Home / 34,599.15-47,758.61-21,512.38

Finding the Fourth Proportional to 34,599.15, 47,758.61 and 21,512.38

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Solution

The fourth proportional to 34,599.15, 47,758.61 and 21,512.38 is: 29,694.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,599.15 : 47,758.61 = 21,512.38 : x
  2. Step 2: Convert to fraction form
    34,599.15/47,758.61 = 21,512.38/x
  3. Step 3: Cross multiply
    34,599.15x = 47,758.61 × 21,512.38
  4. Step 4: Simplify right side
    34,599.15x = 1,027,401,480.07
  5. Step 5: Solve for x
    x = 1,027,401,480.07/34,599.15
  6. Step 6: Final answer
    x = 29,694.42

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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.