Home / 38,781.40-58,125.07-17,692.55

Finding the Fourth Proportional to 38,781.40, 58,125.07 and 17,692.55

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Solution

The fourth proportional to 38,781.40, 58,125.07 and 17,692.55 is: 26,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,781.40 : 58,125.07 = 17,692.55 : x
  2. Step 2: Convert to fraction form
    38,781.40/58,125.07 = 17,692.55/x
  3. Step 3: Cross multiply
    38,781.40x = 58,125.07 × 17,692.55
  4. Step 4: Simplify right side
    38,781.40x = 1,028,380,707.23
  5. Step 5: Solve for x
    x = 1,028,380,707.23/38,781.40
  6. Step 6: Final answer
    x = 26,517.37

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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.