Home / 40,327.14-55,652.10-22,178.58

Finding the Fourth Proportional to 40,327.14, 55,652.10 and 22,178.58

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Solution

The fourth proportional to 40,327.14, 55,652.10 and 22,178.58 is: 30,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,327.14 : 55,652.10 = 22,178.58 : x
  2. Step 2: Convert to fraction form
    40,327.14/55,652.10 = 22,178.58/x
  3. Step 3: Cross multiply
    40,327.14x = 55,652.10 × 22,178.58
  4. Step 4: Simplify right side
    40,327.14x = 1,234,284,552.02
  5. Step 5: Solve for x
    x = 1,234,284,552.02/40,327.14
  6. Step 6: Final answer
    x = 30,606.80

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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.