Home / 41,881.46-57,780.45-31,005.50

Finding the Fourth Proportional to 41,881.46, 57,780.45 and 31,005.50

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Solution

The fourth proportional to 41,881.46, 57,780.45 and 31,005.50 is: 42,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,881.46 : 57,780.45 = 31,005.50 : x
  2. Step 2: Convert to fraction form
    41,881.46/57,780.45 = 31,005.50/x
  3. Step 3: Cross multiply
    41,881.46x = 57,780.45 × 31,005.50
  4. Step 4: Simplify right side
    41,881.46x = 1,791,511,453.57
  5. Step 5: Solve for x
    x = 1,791,511,453.57/41,881.46
  6. Step 6: Final answer
    x = 42,775.77

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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.