Home / 45,962.39-68,935.38-12,228.61

Finding the Fourth Proportional to 45,962.39, 68,935.38 and 12,228.61

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Solution

The fourth proportional to 45,962.39, 68,935.38 and 12,228.61 is: 18,340.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,962.39 : 68,935.38 = 12,228.61 : x
  2. Step 2: Convert to fraction form
    45,962.39/68,935.38 = 12,228.61/x
  3. Step 3: Cross multiply
    45,962.39x = 68,935.38 × 12,228.61
  4. Step 4: Simplify right side
    45,962.39x = 842,983,578.40
  5. Step 5: Solve for x
    x = 842,983,578.40/45,962.39
  6. Step 6: Final answer
    x = 18,340.72

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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.