Home / 31,822.56-43,937.10-19,891.26

Finding the Fourth Proportional to 31,822.56, 43,937.10 and 19,891.26

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Solution

The fourth proportional to 31,822.56, 43,937.10 and 19,891.26 is: 27,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.56 : 43,937.10 = 19,891.26 : x
  2. Step 2: Convert to fraction form
    31,822.56/43,937.10 = 19,891.26/x
  3. Step 3: Cross multiply
    31,822.56x = 43,937.10 × 19,891.26
  4. Step 4: Simplify right side
    31,822.56x = 873,964,279.75
  5. Step 5: Solve for x
    x = 873,964,279.75/31,822.56
  6. Step 6: Final answer
    x = 27,463.67

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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.