Home / 34,121.57-47,081.54-19,013.86

Finding the Fourth Proportional to 34,121.57, 47,081.54 and 19,013.86

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Solution

The fourth proportional to 34,121.57, 47,081.54 and 19,013.86 is: 26,235.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.57 : 47,081.54 = 19,013.86 : x
  2. Step 2: Convert to fraction form
    34,121.57/47,081.54 = 19,013.86/x
  3. Step 3: Cross multiply
    34,121.57x = 47,081.54 × 19,013.86
  4. Step 4: Simplify right side
    34,121.57x = 895,201,479.67
  5. Step 5: Solve for x
    x = 895,201,479.67/34,121.57
  6. Step 6: Final answer
    x = 26,235.65

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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.