Home / 45,844.08-68,766.16-12,564.40

Finding the Fourth Proportional to 45,844.08, 68,766.16 and 12,564.40

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Solution

The fourth proportional to 45,844.08, 68,766.16 and 12,564.40 is: 18,846.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,844.08 : 68,766.16 = 12,564.40 : x
  2. Step 2: Convert to fraction form
    45,844.08/68,766.16 = 12,564.40/x
  3. Step 3: Cross multiply
    45,844.08x = 68,766.16 × 12,564.40
  4. Step 4: Simplify right side
    45,844.08x = 864,005,540.70
  5. Step 5: Solve for x
    x = 864,005,540.70/45,844.08
  6. Step 6: Final answer
    x = 18,846.61

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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.