Home / 31,448.40-47,169.36-10,671.36

Finding the Fourth Proportional to 31,448.40, 47,169.36 and 10,671.36

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Solution

The fourth proportional to 31,448.40, 47,169.36 and 10,671.36 is: 16,005.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.40 : 47,169.36 = 10,671.36 : x
  2. Step 2: Convert to fraction form
    31,448.40/47,169.36 = 10,671.36/x
  3. Step 3: Cross multiply
    31,448.40x = 47,169.36 × 10,671.36
  4. Step 4: Simplify right side
    31,448.40x = 503,361,221.53
  5. Step 5: Solve for x
    x = 503,361,221.53/31,448.40
  6. Step 6: Final answer
    x = 16,005.94

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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.