Home / 30,100.57-41,538.37-17,353.78

Finding the Fourth Proportional to 30,100.57, 41,538.37 and 17,353.78

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Solution

The fourth proportional to 30,100.57, 41,538.37 and 17,353.78 is: 23,947.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,100.57 : 41,538.37 = 17,353.78 : x
  2. Step 2: Convert to fraction form
    30,100.57/41,538.37 = 17,353.78/x
  3. Step 3: Cross multiply
    30,100.57x = 41,538.37 × 17,353.78
  4. Step 4: Simplify right side
    30,100.57x = 720,847,587.31
  5. Step 5: Solve for x
    x = 720,847,587.31/30,100.57
  6. Step 6: Final answer
    x = 23,947.97

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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.