Home / 31,155.46-46,757.77-11,439.65

Finding the Fourth Proportional to 31,155.46, 46,757.77 and 11,439.65

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Solution

The fourth proportional to 31,155.46, 46,757.77 and 11,439.65 is: 17,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,155.46 : 46,757.77 = 11,439.65 : x
  2. Step 2: Convert to fraction form
    31,155.46/46,757.77 = 11,439.65/x
  3. Step 3: Cross multiply
    31,155.46x = 46,757.77 × 11,439.65
  4. Step 4: Simplify right side
    31,155.46x = 534,892,523.58
  5. Step 5: Solve for x
    x = 534,892,523.58/31,155.46
  6. Step 6: Final answer
    x = 17,168.50

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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.