Home / 34,145.46-47,121.32-18,833.77

Finding the Fourth Proportional to 34,145.46, 47,121.32 and 18,833.77

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Solution

The fourth proportional to 34,145.46, 47,121.32 and 18,833.77 is: 25,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,145.46 : 47,121.32 = 18,833.77 : x
  2. Step 2: Convert to fraction form
    34,145.46/47,121.32 = 18,833.77/x
  3. Step 3: Cross multiply
    34,145.46x = 47,121.32 × 18,833.77
  4. Step 4: Simplify right side
    34,145.46x = 887,471,995.28
  5. Step 5: Solve for x
    x = 887,471,995.28/34,145.46
  6. Step 6: Final answer
    x = 25,990.92

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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.