Home / 31,171.79-46,757.69-7,798.23

Finding the Fourth Proportional to 31,171.79, 46,757.69 and 7,798.23

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Solution

The fourth proportional to 31,171.79, 46,757.69 and 7,798.23 is: 11,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,171.79 : 46,757.69 = 7,798.23 : x
  2. Step 2: Convert to fraction form
    31,171.79/46,757.69 = 7,798.23/x
  3. Step 3: Cross multiply
    31,171.79x = 46,757.69 × 7,798.23
  4. Step 4: Simplify right side
    31,171.79x = 364,627,181.90
  5. Step 5: Solve for x
    x = 364,627,181.90/31,171.79
  6. Step 6: Final answer
    x = 11,697.35

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Double scale
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1.5x scale

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.