Home / 38,968.98-58,376.57-20,261.22

Finding the Fourth Proportional to 38,968.98, 58,376.57 and 20,261.22

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Solution

The fourth proportional to 38,968.98, 58,376.57 and 20,261.22 is: 30,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,968.98 : 58,376.57 = 20,261.22 : x
  2. Step 2: Convert to fraction form
    38,968.98/58,376.57 = 20,261.22/x
  3. Step 3: Cross multiply
    38,968.98x = 58,376.57 × 20,261.22
  4. Step 4: Simplify right side
    38,968.98x = 1,182,780,426.31
  5. Step 5: Solve for x
    x = 1,182,780,426.31/38,968.98
  6. Step 6: Final answer
    x = 30,351.84

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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.