Home / 38,998.70-58,170.38-35,406.89

Finding the Fourth Proportional to 38,998.70, 58,170.38 and 35,406.89

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Solution

The fourth proportional to 38,998.70, 58,170.38 and 35,406.89 is: 52,812.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998.70 : 58,170.38 = 35,406.89 : x
  2. Step 2: Convert to fraction form
    38,998.70/58,170.38 = 35,406.89/x
  3. Step 3: Cross multiply
    38,998.70x = 58,170.38 × 35,406.89
  4. Step 4: Simplify right side
    38,998.70x = 2,059,631,778.03
  5. Step 5: Solve for x
    x = 2,059,631,778.03/38,998.70
  6. Step 6: Final answer
    x = 52,812.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.