Home / 42,467.55-63,708.23-15,813.64

Finding the Fourth Proportional to 42,467.55, 63,708.23 and 15,813.64

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Solution

The fourth proportional to 42,467.55, 63,708.23 and 15,813.64 is: 23,723.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,467.55 : 63,708.23 = 15,813.64 : x
  2. Step 2: Convert to fraction form
    42,467.55/63,708.23 = 15,813.64/x
  3. Step 3: Cross multiply
    42,467.55x = 63,708.23 × 15,813.64
  4. Step 4: Simplify right side
    42,467.55x = 1,007,458,894.52
  5. Step 5: Solve for x
    x = 1,007,458,894.52/42,467.55
  6. Step 6: Final answer
    x = 23,723.03

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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.