Home / 31,375.98-43,332.84-19,467.72

Finding the Fourth Proportional to 31,375.98, 43,332.84 and 19,467.72

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Solution

The fourth proportional to 31,375.98, 43,332.84 and 19,467.72 is: 26,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,375.98 : 43,332.84 = 19,467.72 : x
  2. Step 2: Convert to fraction form
    31,375.98/43,332.84 = 19,467.72/x
  3. Step 3: Cross multiply
    31,375.98x = 43,332.84 × 19,467.72
  4. Step 4: Simplify right side
    31,375.98x = 843,591,595.92
  5. Step 5: Solve for x
    x = 843,591,595.92/31,375.98
  6. Step 6: Final answer
    x = 26,886.54

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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.