Home / 31,657.46-43,685.87-18,229.14

Finding the Fourth Proportional to 31,657.46, 43,685.87 and 18,229.14

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Solution

The fourth proportional to 31,657.46, 43,685.87 and 18,229.14 is: 25,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,657.46 : 43,685.87 = 18,229.14 : x
  2. Step 2: Convert to fraction form
    31,657.46/43,685.87 = 18,229.14/x
  3. Step 3: Cross multiply
    31,657.46x = 43,685.87 × 18,229.14
  4. Step 4: Simplify right side
    31,657.46x = 796,355,749.11
  5. Step 5: Solve for x
    x = 796,355,749.11/31,657.46
  6. Step 6: Final answer
    x = 25,155.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.