Home / 31,343.24-47,014.14-7,969.70

Finding the Fourth Proportional to 31,343.24, 47,014.14 and 7,969.70

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Solution

The fourth proportional to 31,343.24, 47,014.14 and 7,969.70 is: 11,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,343.24 : 47,014.14 = 7,969.70 : x
  2. Step 2: Convert to fraction form
    31,343.24/47,014.14 = 7,969.70/x
  3. Step 3: Cross multiply
    31,343.24x = 47,014.14 × 7,969.70
  4. Step 4: Simplify right side
    31,343.24x = 374,688,591.56
  5. Step 5: Solve for x
    x = 374,688,591.56/31,343.24
  6. Step 6: Final answer
    x = 11,954.37

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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.