Home / 31,122.45-46,669.64-8,930.79

Finding the Fourth Proportional to 31,122.45, 46,669.64 and 8,930.79

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Solution

The fourth proportional to 31,122.45, 46,669.64 and 8,930.79 is: 13,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122.45 : 46,669.64 = 8,930.79 : x
  2. Step 2: Convert to fraction form
    31,122.45/46,669.64 = 8,930.79/x
  3. Step 3: Cross multiply
    31,122.45x = 46,669.64 × 8,930.79
  4. Step 4: Simplify right side
    31,122.45x = 416,796,709.56
  5. Step 5: Solve for x
    x = 416,796,709.56/31,122.45
  6. Step 6: Final answer
    x = 13,392.16

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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.