Home / 31,733.80-47,632.73-13,972.37

Finding the Fourth Proportional to 31,733.80, 47,632.73 and 13,972.37

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Solution

The fourth proportional to 31,733.80, 47,632.73 and 13,972.37 is: 20,972.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,733.80 : 47,632.73 = 13,972.37 : x
  2. Step 2: Convert to fraction form
    31,733.80/47,632.73 = 13,972.37/x
  3. Step 3: Cross multiply
    31,733.80x = 47,632.73 × 13,972.37
  4. Step 4: Simplify right side
    31,733.80x = 665,541,961.35
  5. Step 5: Solve for x
    x = 665,541,961.35/31,733.80
  6. Step 6: Final answer
    x = 20,972.66

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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.