Home / 31,009.20-46,524.60-13,491.60

Finding the Fourth Proportional to 31,009.20, 46,524.60 and 13,491.60

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Solution

The fourth proportional to 31,009.20, 46,524.60 and 13,491.60 is: 20,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009.20 : 46,524.60 = 13,491.60 : x
  2. Step 2: Convert to fraction form
    31,009.20/46,524.60 = 13,491.60/x
  3. Step 3: Cross multiply
    31,009.20x = 46,524.60 × 13,491.60
  4. Step 4: Simplify right side
    31,009.20x = 627,691,293.36
  5. Step 5: Solve for x
    x = 627,691,293.36/31,009.20
  6. Step 6: Final answer
    x = 20,242.10

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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.