Home / 40,462.88-60,701.58-12,382.40

Finding the Fourth Proportional to 40,462.88, 60,701.58 and 12,382.40

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Solution

The fourth proportional to 40,462.88, 60,701.58 and 12,382.40 is: 18,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,462.88 : 60,701.58 = 12,382.40 : x
  2. Step 2: Convert to fraction form
    40,462.88/60,701.58 = 12,382.40/x
  3. Step 3: Cross multiply
    40,462.88x = 60,701.58 × 12,382.40
  4. Step 4: Simplify right side
    40,462.88x = 751,630,940.68
  5. Step 5: Solve for x
    x = 751,630,940.68/40,462.88
  6. Step 6: Final answer
    x = 18,575.82

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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.