Home / 31,162.68-46,667.61-28,167.30

Finding the Fourth Proportional to 31,162.68, 46,667.61 and 28,167.30

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Solution

The fourth proportional to 31,162.68, 46,667.61 and 28,167.30 is: 42,181.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,162.68 : 46,667.61 = 28,167.30 : x
  2. Step 2: Convert to fraction form
    31,162.68/46,667.61 = 28,167.30/x
  3. Step 3: Cross multiply
    31,162.68x = 46,667.61 × 28,167.30
  4. Step 4: Simplify right side
    31,162.68x = 1,314,500,571.15
  5. Step 5: Solve for x
    x = 1,314,500,571.15/31,162.68
  6. Step 6: Final answer
    x = 42,181.88

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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.