Home / 31,344.44-47,004.80-12,618.12

Finding the Fourth Proportional to 31,344.44, 47,004.80 and 12,618.12

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Solution

The fourth proportional to 31,344.44, 47,004.80 and 12,618.12 is: 18,922.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.44 : 47,004.80 = 12,618.12 : x
  2. Step 2: Convert to fraction form
    31,344.44/47,004.80 = 12,618.12/x
  3. Step 3: Cross multiply
    31,344.44x = 47,004.80 × 12,618.12
  4. Step 4: Simplify right side
    31,344.44x = 593,112,206.98
  5. Step 5: Solve for x
    x = 593,112,206.98/31,344.44
  6. Step 6: Final answer
    x = 18,922.41

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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.