Home / 40,187.70-55,458.12-22,282.53

Finding the Fourth Proportional to 40,187.70, 55,458.12 and 22,282.53

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Solution

The fourth proportional to 40,187.70, 55,458.12 and 22,282.53 is: 30,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.70 : 55,458.12 = 22,282.53 : x
  2. Step 2: Convert to fraction form
    40,187.70/55,458.12 = 22,282.53/x
  3. Step 3: Cross multiply
    40,187.70x = 55,458.12 × 22,282.53
  4. Step 4: Simplify right side
    40,187.70x = 1,235,747,222.64
  5. Step 5: Solve for x
    x = 1,235,747,222.64/40,187.70
  6. Step 6: Final answer
    x = 30,749.39

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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.