Home / 31,503.68-47,228.70-13,963.94

Finding the Fourth Proportional to 31,503.68, 47,228.70 and 13,963.94

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Solution

The fourth proportional to 31,503.68, 47,228.70 and 13,963.94 is: 20,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.68 : 47,228.70 = 13,963.94 : x
  2. Step 2: Convert to fraction form
    31,503.68/47,228.70 = 13,963.94/x
  3. Step 3: Cross multiply
    31,503.68x = 47,228.70 × 13,963.94
  4. Step 4: Simplify right side
    31,503.68x = 659,498,733.08
  5. Step 5: Solve for x
    x = 659,498,733.08/31,503.68
  6. Step 6: Final answer
    x = 20,934.02

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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.