Home / 36,182.96-54,028.12-31,930.76

Finding the Fourth Proportional to 36,182.96, 54,028.12 and 31,930.76

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Solution

The fourth proportional to 36,182.96, 54,028.12 and 31,930.76 is: 47,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,182.96 : 54,028.12 = 31,930.76 : x
  2. Step 2: Convert to fraction form
    36,182.96/54,028.12 = 31,930.76/x
  3. Step 3: Cross multiply
    36,182.96x = 54,028.12 × 31,930.76
  4. Step 4: Simplify right side
    36,182.96x = 1,725,158,932.97
  5. Step 5: Solve for x
    x = 1,725,158,932.97/36,182.96
  6. Step 6: Final answer
    x = 47,678.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.