Home / 31,862.47-47,790.61-9,676.04

Finding the Fourth Proportional to 31,862.47, 47,790.61 and 9,676.04

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Solution

The fourth proportional to 31,862.47, 47,790.61 and 9,676.04 is: 14,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.47 : 47,790.61 = 9,676.04 : x
  2. Step 2: Convert to fraction form
    31,862.47/47,790.61 = 9,676.04/x
  3. Step 3: Cross multiply
    31,862.47x = 47,790.61 × 9,676.04
  4. Step 4: Simplify right side
    31,862.47x = 462,423,859.66
  5. Step 5: Solve for x
    x = 462,423,859.66/31,862.47
  6. Step 6: Final answer
    x = 14,513.12

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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.