Home / 31,213.78-46,814.56-25,982.39

Finding the Fourth Proportional to 31,213.78, 46,814.56 and 25,982.39

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Solution

The fourth proportional to 31,213.78, 46,814.56 and 25,982.39 is: 38,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.78 : 46,814.56 = 25,982.39 : x
  2. Step 2: Convert to fraction form
    31,213.78/46,814.56 = 25,982.39/x
  3. Step 3: Cross multiply
    31,213.78x = 46,814.56 × 25,982.39
  4. Step 4: Simplify right side
    31,213.78x = 1,216,354,207.68
  5. Step 5: Solve for x
    x = 1,216,354,207.68/31,213.78
  6. Step 6: Final answer
    x = 38,968.50

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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.