Home / 31,108.06-46,669.38-13,582.90

Finding the Fourth Proportional to 31,108.06, 46,669.38 and 13,582.90

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Solution

The fourth proportional to 31,108.06, 46,669.38 and 13,582.90 is: 20,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,108.06 : 46,669.38 = 13,582.90 : x
  2. Step 2: Convert to fraction form
    31,108.06/46,669.38 = 13,582.90/x
  3. Step 3: Cross multiply
    31,108.06x = 46,669.38 × 13,582.90
  4. Step 4: Simplify right side
    31,108.06x = 633,905,521.60
  5. Step 5: Solve for x
    x = 633,905,521.60/31,108.06
  6. Step 6: Final answer
    x = 20,377.53

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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.