Home / 40,162.40-55,424.58-22,257.62

Finding the Fourth Proportional to 40,162.40, 55,424.58 and 22,257.62

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Solution

The fourth proportional to 40,162.40, 55,424.58 and 22,257.62 is: 30,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.40 : 55,424.58 = 22,257.62 : x
  2. Step 2: Convert to fraction form
    40,162.40/55,424.58 = 22,257.62/x
  3. Step 3: Cross multiply
    40,162.40x = 55,424.58 × 22,257.62
  4. Step 4: Simplify right side
    40,162.40x = 1,233,619,240.30
  5. Step 5: Solve for x
    x = 1,233,619,240.30/40,162.40
  6. Step 6: Final answer
    x = 30,715.77

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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.