Home / 40,223.66-55,508.65-22,318.67

Finding the Fourth Proportional to 40,223.66, 55,508.65 and 22,318.67

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Solution

The fourth proportional to 40,223.66, 55,508.65 and 22,318.67 is: 30,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.66 : 55,508.65 = 22,318.67 : x
  2. Step 2: Convert to fraction form
    40,223.66/55,508.65 = 22,318.67/x
  3. Step 3: Cross multiply
    40,223.66x = 55,508.65 × 22,318.67
  4. Step 4: Simplify right side
    40,223.66x = 1,238,879,324.47
  5. Step 5: Solve for x
    x = 1,238,879,324.47/40,223.66
  6. Step 6: Final answer
    x = 30,799.77

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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.