Home / 39,455.74-59,184.22-11,378.31

Finding the Fourth Proportional to 39,455.74, 59,184.22 and 11,378.31

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Solution

The fourth proportional to 39,455.74, 59,184.22 and 11,378.31 is: 17,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,455.74 : 59,184.22 = 11,378.31 : x
  2. Step 2: Convert to fraction form
    39,455.74/59,184.22 = 11,378.31/x
  3. Step 3: Cross multiply
    39,455.74x = 59,184.22 × 11,378.31
  4. Step 4: Simplify right side
    39,455.74x = 673,416,402.27
  5. Step 5: Solve for x
    x = 673,416,402.27/39,455.74
  6. Step 6: Final answer
    x = 17,067.64

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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.