Home / 30,414.72-41,930.07-26,210.57

Finding the Fourth Proportional to 30,414.72, 41,930.07 and 26,210.57

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Solution

The fourth proportional to 30,414.72, 41,930.07 and 26,210.57 is: 36,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,414.72 : 41,930.07 = 26,210.57 : x
  2. Step 2: Convert to fraction form
    30,414.72/41,930.07 = 26,210.57/x
  3. Step 3: Cross multiply
    30,414.72x = 41,930.07 × 26,210.57
  4. Step 4: Simplify right side
    30,414.72x = 1,099,010,825.19
  5. Step 5: Solve for x
    x = 1,099,010,825.19/30,414.72
  6. Step 6: Final answer
    x = 36,134.18

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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.