Home / 40,438.39-55,806.15-23,442.70

Finding the Fourth Proportional to 40,438.39, 55,806.15 and 23,442.70

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Solution

The fourth proportional to 40,438.39, 55,806.15 and 23,442.70 is: 32,351.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,438.39 : 55,806.15 = 23,442.70 : x
  2. Step 2: Convert to fraction form
    40,438.39/55,806.15 = 23,442.70/x
  3. Step 3: Cross multiply
    40,438.39x = 55,806.15 × 23,442.70
  4. Step 4: Simplify right side
    40,438.39x = 1,308,246,832.61
  5. Step 5: Solve for x
    x = 1,308,246,832.61/40,438.39
  6. Step 6: Final answer
    x = 32,351.61

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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.