Home / 38,429.21-57,661.64-16,247.76

Finding the Fourth Proportional to 38,429.21, 57,661.64 and 16,247.76

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Solution

The fourth proportional to 38,429.21, 57,661.64 and 16,247.76 is: 24,379.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429.21 : 57,661.64 = 16,247.76 : x
  2. Step 2: Convert to fraction form
    38,429.21/57,661.64 = 16,247.76/x
  3. Step 3: Cross multiply
    38,429.21x = 57,661.64 × 16,247.76
  4. Step 4: Simplify right side
    38,429.21x = 936,872,406.69
  5. Step 5: Solve for x
    x = 936,872,406.69/38,429.21
  6. Step 6: Final answer
    x = 24,379.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.