Home / 39,180.98-54,068.96-22,188.44

Finding the Fourth Proportional to 39,180.98, 54,068.96 and 22,188.44

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Solution

The fourth proportional to 39,180.98, 54,068.96 and 22,188.44 is: 30,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.98 : 54,068.96 = 22,188.44 : x
  2. Step 2: Convert to fraction form
    39,180.98/54,068.96 = 22,188.44/x
  3. Step 3: Cross multiply
    39,180.98x = 54,068.96 × 22,188.44
  4. Step 4: Simplify right side
    39,180.98x = 1,199,705,874.82
  5. Step 5: Solve for x
    x = 1,199,705,874.82/39,180.98
  6. Step 6: Final answer
    x = 30,619.60

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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.