Home / 40,260.64-60,390.97-12,558.64

Finding the Fourth Proportional to 40,260.64, 60,390.97 and 12,558.64

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Solution

The fourth proportional to 40,260.64, 60,390.97 and 12,558.64 is: 18,837.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,260.64 : 60,390.97 = 12,558.64 : x
  2. Step 2: Convert to fraction form
    40,260.64/60,390.97 = 12,558.64/x
  3. Step 3: Cross multiply
    40,260.64x = 60,390.97 × 12,558.64
  4. Step 4: Simplify right side
    40,260.64x = 758,428,339.88
  5. Step 5: Solve for x
    x = 758,428,339.88/40,260.64
  6. Step 6: Final answer
    x = 18,837.96

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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.