Home / 31,334.69-47,015.84-12,651.17

Finding the Fourth Proportional to 31,334.69, 47,015.84 and 12,651.17

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Solution

The fourth proportional to 31,334.69, 47,015.84 and 12,651.17 is: 18,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.69 : 47,015.84 = 12,651.17 : x
  2. Step 2: Convert to fraction form
    31,334.69/47,015.84 = 12,651.17/x
  3. Step 3: Cross multiply
    31,334.69x = 47,015.84 × 12,651.17
  4. Step 4: Simplify right side
    31,334.69x = 594,805,086.20
  5. Step 5: Solve for x
    x = 594,805,086.20/31,334.69
  6. Step 6: Final answer
    x = 18,982.32

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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.