Home / 31,448.71-47,171.52-11,725.73

Finding the Fourth Proportional to 31,448.71, 47,171.52 and 11,725.73

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Solution

The fourth proportional to 31,448.71, 47,171.52 and 11,725.73 is: 17,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,448.71 : 47,171.52 = 11,725.73 : x
  2. Step 2: Convert to fraction form
    31,448.71/47,171.52 = 11,725.73/x
  3. Step 3: Cross multiply
    31,448.71x = 47,171.52 × 11,725.73
  4. Step 4: Simplify right side
    31,448.71x = 553,120,271.35
  5. Step 5: Solve for x
    x = 553,120,271.35/31,448.71
  6. Step 6: Final answer
    x = 17,588.01

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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.