Home / 38,405.24-53,023.38-29,435.84

Finding the Fourth Proportional to 38,405.24, 53,023.38 and 29,435.84

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Solution

The fourth proportional to 38,405.24, 53,023.38 and 29,435.84 is: 40,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,405.24 : 53,023.38 = 29,435.84 : x
  2. Step 2: Convert to fraction form
    38,405.24/53,023.38 = 29,435.84/x
  3. Step 3: Cross multiply
    38,405.24x = 53,023.38 × 29,435.84
  4. Step 4: Simplify right side
    38,405.24x = 1,560,787,729.94
  5. Step 5: Solve for x
    x = 1,560,787,729.94/38,405.24
  6. Step 6: Final answer
    x = 40,639.97

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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.