Home / 31,876.00-47,770.26-20,168.26

Finding the Fourth Proportional to 31,876.00, 47,770.26 and 20,168.26

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Solution

The fourth proportional to 31,876.00, 47,770.26 and 20,168.26 is: 30,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,876.00 : 47,770.26 = 20,168.26 : x
  2. Step 2: Convert to fraction form
    31,876.00/47,770.26 = 20,168.26/x
  3. Step 3: Cross multiply
    31,876.00x = 47,770.26 × 20,168.26
  4. Step 4: Simplify right side
    31,876.00x = 963,442,828.89
  5. Step 5: Solve for x
    x = 963,442,828.89/31,876.00
  6. Step 6: Final answer
    x = 30,224.71

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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.