Home / 31,176.23-46,768.57-10,109.40

Finding the Fourth Proportional to 31,176.23, 46,768.57 and 10,109.40

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Solution

The fourth proportional to 31,176.23, 46,768.57 and 10,109.40 is: 15,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,176.23 : 46,768.57 = 10,109.40 : x
  2. Step 2: Convert to fraction form
    31,176.23/46,768.57 = 10,109.40/x
  3. Step 3: Cross multiply
    31,176.23x = 46,768.57 × 10,109.40
  4. Step 4: Simplify right side
    31,176.23x = 472,801,947.72
  5. Step 5: Solve for x
    x = 472,801,947.72/31,176.23
  6. Step 6: Final answer
    x = 15,165.46

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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.