Home / 40,516.13-60,784.46-12,437.62

Finding the Fourth Proportional to 40,516.13, 60,784.46 and 12,437.62

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Solution

The fourth proportional to 40,516.13, 60,784.46 and 12,437.62 is: 18,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,516.13 : 60,784.46 = 12,437.62 : x
  2. Step 2: Convert to fraction form
    40,516.13/60,784.46 = 12,437.62/x
  3. Step 3: Cross multiply
    40,516.13x = 60,784.46 × 12,437.62
  4. Step 4: Simplify right side
    40,516.13x = 756,013,847.88
  5. Step 5: Solve for x
    x = 756,013,847.88/40,516.13
  6. Step 6: Final answer
    x = 18,659.58

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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.