Home / 38,542.16-57,812.42-17,765.66

Finding the Fourth Proportional to 38,542.16, 57,812.42 and 17,765.66

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Solution

The fourth proportional to 38,542.16, 57,812.42 and 17,765.66 is: 26,648.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,542.16 : 57,812.42 = 17,765.66 : x
  2. Step 2: Convert to fraction form
    38,542.16/57,812.42 = 17,765.66/x
  3. Step 3: Cross multiply
    38,542.16x = 57,812.42 × 17,765.66
  4. Step 4: Simplify right side
    38,542.16x = 1,027,075,986.44
  5. Step 5: Solve for x
    x = 1,027,075,986.44/38,542.16
  6. Step 6: Final answer
    x = 26,648.12

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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.