Home / 40,154.90-55,415.98-22,249.52

Finding the Fourth Proportional to 40,154.90, 55,415.98 and 22,249.52

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Solution

The fourth proportional to 40,154.90, 55,415.98 and 22,249.52 is: 30,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,154.90 : 55,415.98 = 22,249.52 : x
  2. Step 2: Convert to fraction form
    40,154.90/55,415.98 = 22,249.52/x
  3. Step 3: Cross multiply
    40,154.90x = 55,415.98 × 22,249.52
  4. Step 4: Simplify right side
    40,154.90x = 1,232,979,100.73
  5. Step 5: Solve for x
    x = 1,232,979,100.73/40,154.90
  6. Step 6: Final answer
    x = 30,705.57

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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.