Home / 39,853.44-59,780.16-12,151.44

Finding the Fourth Proportional to 39,853.44, 59,780.16 and 12,151.44

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Solution

The fourth proportional to 39,853.44, 59,780.16 and 12,151.44 is: 18,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.44 : 59,780.16 = 12,151.44 : x
  2. Step 2: Convert to fraction form
    39,853.44/59,780.16 = 12,151.44/x
  3. Step 3: Cross multiply
    39,853.44x = 59,780.16 × 12,151.44
  4. Step 4: Simplify right side
    39,853.44x = 726,415,027.43
  5. Step 5: Solve for x
    x = 726,415,027.43/39,853.44
  6. Step 6: Final answer
    x = 18,227.16

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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.