Home / 31,094.92-46,641.90-7,721.56

Finding the Fourth Proportional to 31,094.92, 46,641.90 and 7,721.56

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Solution

The fourth proportional to 31,094.92, 46,641.90 and 7,721.56 is: 11,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,094.92 : 46,641.90 = 7,721.56 : x
  2. Step 2: Convert to fraction form
    31,094.92/46,641.90 = 7,721.56/x
  3. Step 3: Cross multiply
    31,094.92x = 46,641.90 × 7,721.56
  4. Step 4: Simplify right side
    31,094.92x = 360,148,229.36
  5. Step 5: Solve for x
    x = 360,148,229.36/31,094.92
  6. Step 6: Final answer
    x = 11,582.22

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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.