Home / 31,564.88-43,559.51-20,234.37

Finding the Fourth Proportional to 31,564.88, 43,559.51 and 20,234.37

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Solution

The fourth proportional to 31,564.88, 43,559.51 and 20,234.37 is: 27,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.88 : 43,559.51 = 20,234.37 : x
  2. Step 2: Convert to fraction form
    31,564.88/43,559.51 = 20,234.37/x
  3. Step 3: Cross multiply
    31,564.88x = 43,559.51 × 20,234.37
  4. Step 4: Simplify right side
    31,564.88x = 881,399,242.36
  5. Step 5: Solve for x
    x = 881,399,242.36/31,564.88
  6. Step 6: Final answer
    x = 27,923.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.