Home / 31,176.73-46,769.32-10,109.90

Finding the Fourth Proportional to 31,176.73, 46,769.32 and 10,109.90

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Solution

The fourth proportional to 31,176.73, 46,769.32 and 10,109.90 is: 15,166.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,176.73 : 46,769.32 = 10,109.90 : x
  2. Step 2: Convert to fraction form
    31,176.73/46,769.32 = 10,109.90/x
  3. Step 3: Cross multiply
    31,176.73x = 46,769.32 × 10,109.90
  4. Step 4: Simplify right side
    31,176.73x = 472,833,148.27
  5. Step 5: Solve for x
    x = 472,833,148.27/31,176.73
  6. Step 6: Final answer
    x = 15,166.22

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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.