Home / 31,199.76-43,043.34-19,242.27

Finding the Fourth Proportional to 31,199.76, 43,043.34 and 19,242.27

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Solution

The fourth proportional to 31,199.76, 43,043.34 and 19,242.27 is: 26,546.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,199.76 : 43,043.34 = 19,242.27 : x
  2. Step 2: Convert to fraction form
    31,199.76/43,043.34 = 19,242.27/x
  3. Step 3: Cross multiply
    31,199.76x = 43,043.34 × 19,242.27
  4. Step 4: Simplify right side
    31,199.76x = 828,251,569.98
  5. Step 5: Solve for x
    x = 828,251,569.98/31,199.76
  6. Step 6: Final answer
    x = 26,546.73

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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.