Home / 38,954.70-58,440.72-18,166.86

Finding the Fourth Proportional to 38,954.70, 58,440.72 and 18,166.86

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Solution

The fourth proportional to 38,954.70, 58,440.72 and 18,166.86 is: 27,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,954.70 : 58,440.72 = 18,166.86 : x
  2. Step 2: Convert to fraction form
    38,954.70/58,440.72 = 18,166.86/x
  3. Step 3: Cross multiply
    38,954.70x = 58,440.72 × 18,166.86
  4. Step 4: Simplify right side
    38,954.70x = 1,061,684,378.54
  5. Step 5: Solve for x
    x = 1,061,684,378.54/38,954.70
  6. Step 6: Final answer
    x = 27,254.33

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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.