Home / 31,705.39-47,571.36-13,926.88

Finding the Fourth Proportional to 31,705.39, 47,571.36 and 13,926.88

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Solution

The fourth proportional to 31,705.39, 47,571.36 and 13,926.88 is: 20,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,705.39 : 47,571.36 = 13,926.88 : x
  2. Step 2: Convert to fraction form
    31,705.39/47,571.36 = 13,926.88/x
  3. Step 3: Cross multiply
    31,705.39x = 47,571.36 × 13,926.88
  4. Step 4: Simplify right side
    31,705.39x = 662,520,622.16
  5. Step 5: Solve for x
    x = 662,520,622.16/31,705.39
  6. Step 6: Final answer
    x = 20,896.15

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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.