Home / 39,854.56-59,781.84-12,152.32

Finding the Fourth Proportional to 39,854.56, 59,781.84 and 12,152.32

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Solution

The fourth proportional to 39,854.56, 59,781.84 and 12,152.32 is: 18,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.56 : 59,781.84 = 12,152.32 : x
  2. Step 2: Convert to fraction form
    39,854.56/59,781.84 = 12,152.32/x
  3. Step 3: Cross multiply
    39,854.56x = 59,781.84 × 12,152.32
  4. Step 4: Simplify right side
    39,854.56x = 726,488,049.87
  5. Step 5: Solve for x
    x = 726,488,049.87/39,854.56
  6. Step 6: Final answer
    x = 18,228.48

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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.