Home / 42,199.04-63,313.16-15,911.30

Finding the Fourth Proportional to 42,199.04, 63,313.16 and 15,911.30

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Solution

The fourth proportional to 42,199.04, 63,313.16 and 15,911.30 is: 23,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,199.04 : 63,313.16 = 15,911.30 : x
  2. Step 2: Convert to fraction form
    42,199.04/63,313.16 = 15,911.30/x
  3. Step 3: Cross multiply
    42,199.04x = 63,313.16 × 15,911.30
  4. Step 4: Simplify right side
    42,199.04x = 1,007,394,761.43
  5. Step 5: Solve for x
    x = 1,007,394,761.43/42,199.04
  6. Step 6: Final answer
    x = 23,872.46

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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.