Home / 31,023.88-46,508.15-11,288.64

Finding the Fourth Proportional to 31,023.88, 46,508.15 and 11,288.64

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Solution

The fourth proportional to 31,023.88, 46,508.15 and 11,288.64 is: 16,922.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023.88 : 46,508.15 = 11,288.64 : x
  2. Step 2: Convert to fraction form
    31,023.88/46,508.15 = 11,288.64/x
  3. Step 3: Cross multiply
    31,023.88x = 46,508.15 × 11,288.64
  4. Step 4: Simplify right side
    31,023.88x = 525,013,762.42
  5. Step 5: Solve for x
    x = 525,013,762.42/31,023.88
  6. Step 6: Final answer
    x = 16,922.89

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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.