Home / 31,617.91-47,412.82-16,823.71

Finding the Fourth Proportional to 31,617.91, 47,412.82 and 16,823.71

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Solution

The fourth proportional to 31,617.91, 47,412.82 and 16,823.71 is: 25,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,617.91 : 47,412.82 = 16,823.71 : x
  2. Step 2: Convert to fraction form
    31,617.91/47,412.82 = 16,823.71/x
  3. Step 3: Cross multiply
    31,617.91x = 47,412.82 × 16,823.71
  4. Step 4: Simplify right side
    31,617.91x = 797,659,533.96
  5. Step 5: Solve for x
    x = 797,659,533.96/31,617.91
  6. Step 6: Final answer
    x = 25,228.09

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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.