Home / 51,346.72-70,863.24-31,198.96

Finding the Fourth Proportional to 51,346.72, 70,863.24 and 31,198.96

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Solution

The fourth proportional to 51,346.72, 70,863.24 and 31,198.96 is: 43,057.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,346.72 : 70,863.24 = 31,198.96 : x
  2. Step 2: Convert to fraction form
    51,346.72/70,863.24 = 31,198.96/x
  3. Step 3: Cross multiply
    51,346.72x = 70,863.24 × 31,198.96
  4. Step 4: Simplify right side
    51,346.72x = 2,210,859,390.23
  5. Step 5: Solve for x
    x = 2,210,859,390.23/51,346.72
  6. Step 6: Final answer
    x = 43,057.46

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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.