Home / 40,047.60-55,263.45-22,141.56

Finding the Fourth Proportional to 40,047.60, 55,263.45 and 22,141.56

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Solution

The fourth proportional to 40,047.60, 55,263.45 and 22,141.56 is: 30,554.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,047.60 : 55,263.45 = 22,141.56 : x
  2. Step 2: Convert to fraction form
    40,047.60/55,263.45 = 22,141.56/x
  3. Step 3: Cross multiply
    40,047.60x = 55,263.45 × 22,141.56
  4. Step 4: Simplify right side
    40,047.60x = 1,223,618,993.98
  5. Step 5: Solve for x
    x = 1,223,618,993.98/40,047.60
  6. Step 6: Final answer
    x = 30,554.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.