Home / 31,517.40-47,295.81-12,797.52

Finding the Fourth Proportional to 31,517.40, 47,295.81 and 12,797.52

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Solution

The fourth proportional to 31,517.40, 47,295.81 and 12,797.52 is: 19,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.40 : 47,295.81 = 12,797.52 : x
  2. Step 2: Convert to fraction form
    31,517.40/47,295.81 = 12,797.52/x
  3. Step 3: Cross multiply
    31,517.40x = 47,295.81 × 12,797.52
  4. Step 4: Simplify right side
    31,517.40x = 605,269,074.39
  5. Step 5: Solve for x
    x = 605,269,074.39/31,517.40
  6. Step 6: Final answer
    x = 19,204.28

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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.