Home / 34,760.87-52,121.49-13,689.50

Finding the Fourth Proportional to 34,760.87, 52,121.49 and 13,689.50

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Solution

The fourth proportional to 34,760.87, 52,121.49 and 13,689.50 is: 20,526.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,760.87 : 52,121.49 = 13,689.50 : x
  2. Step 2: Convert to fraction form
    34,760.87/52,121.49 = 13,689.50/x
  3. Step 3: Cross multiply
    34,760.87x = 52,121.49 × 13,689.50
  4. Step 4: Simplify right side
    34,760.87x = 713,516,876.75
  5. Step 5: Solve for x
    x = 713,516,876.75/34,760.87
  6. Step 6: Final answer
    x = 20,526.44

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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.