Home / 31,675.44-43,715.16-19,099.92

Finding the Fourth Proportional to 31,675.44, 43,715.16 and 19,099.92

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Solution

The fourth proportional to 31,675.44, 43,715.16 and 19,099.92 is: 26,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675.44 : 43,715.16 = 19,099.92 : x
  2. Step 2: Convert to fraction form
    31,675.44/43,715.16 = 19,099.92/x
  3. Step 3: Cross multiply
    31,675.44x = 43,715.16 × 19,099.92
  4. Step 4: Simplify right side
    31,675.44x = 834,956,058.79
  5. Step 5: Solve for x
    x = 834,956,058.79/31,675.44
  6. Step 6: Final answer
    x = 26,359.73

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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.