Home / 31,821.12-47,731.68-11,044.08

Finding the Fourth Proportional to 31,821.12, 47,731.68 and 11,044.08

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Solution

The fourth proportional to 31,821.12, 47,731.68 and 11,044.08 is: 16,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.12 : 47,731.68 = 11,044.08 : x
  2. Step 2: Convert to fraction form
    31,821.12/47,731.68 = 11,044.08/x
  3. Step 3: Cross multiply
    31,821.12x = 47,731.68 × 11,044.08
  4. Step 4: Simplify right side
    31,821.12x = 527,152,492.45
  5. Step 5: Solve for x
    x = 527,152,492.45/31,821.12
  6. Step 6: Final answer
    x = 16,566.12

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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.