Home / 31,849.12-47,792.88-11,087.20

Finding the Fourth Proportional to 31,849.12, 47,792.88 and 11,087.20

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Solution

The fourth proportional to 31,849.12, 47,792.88 and 11,087.20 is: 16,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,849.12 : 47,792.88 = 11,087.20 : x
  2. Step 2: Convert to fraction form
    31,849.12/47,792.88 = 11,087.20/x
  3. Step 3: Cross multiply
    31,849.12x = 47,792.88 × 11,087.20
  4. Step 4: Simplify right side
    31,849.12x = 529,889,219.14
  5. Step 5: Solve for x
    x = 529,889,219.14/31,849.12
  6. Step 6: Final answer
    x = 16,637.48

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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.