Home / 40,338.24-60,516.48-12,636.48

Finding the Fourth Proportional to 40,338.24, 60,516.48 and 12,636.48

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Solution

The fourth proportional to 40,338.24, 60,516.48 and 12,636.48 is: 18,957.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338.24 : 60,516.48 = 12,636.48 : x
  2. Step 2: Convert to fraction form
    40,338.24/60,516.48 = 12,636.48/x
  3. Step 3: Cross multiply
    40,338.24x = 60,516.48 × 12,636.48
  4. Step 4: Simplify right side
    40,338.24x = 764,715,289.19
  5. Step 5: Solve for x
    x = 764,715,289.19/40,338.24
  6. Step 6: Final answer
    x = 18,957.58

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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.