Home / 31,546.24-47,340.42-13,078.24

Finding the Fourth Proportional to 31,546.24, 47,340.42 and 13,078.24

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Solution

The fourth proportional to 31,546.24, 47,340.42 and 13,078.24 is: 19,626.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.24 : 47,340.42 = 13,078.24 : x
  2. Step 2: Convert to fraction form
    31,546.24/47,340.42 = 13,078.24/x
  3. Step 3: Cross multiply
    31,546.24x = 47,340.42 × 13,078.24
  4. Step 4: Simplify right side
    31,546.24x = 619,129,374.46
  5. Step 5: Solve for x
    x = 619,129,374.46/31,546.24
  6. Step 6: Final answer
    x = 19,626.09

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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.