Home / 40,336.11-55,665.19-22,187.62

Finding the Fourth Proportional to 40,336.11, 55,665.19 and 22,187.62

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Solution

The fourth proportional to 40,336.11, 55,665.19 and 22,187.62 is: 30,619.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,336.11 : 55,665.19 = 22,187.62 : x
  2. Step 2: Convert to fraction form
    40,336.11/55,665.19 = 22,187.62/x
  3. Step 3: Cross multiply
    40,336.11x = 55,665.19 × 22,187.62
  4. Step 4: Simplify right side
    40,336.11x = 1,235,078,180.26
  5. Step 5: Solve for x
    x = 1,235,078,180.26/40,336.11
  6. Step 6: Final answer
    x = 30,619.67

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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.