Home / 41,984.10-62,974.80-13,905.45

Finding the Fourth Proportional to 41,984.10, 62,974.80 and 13,905.45

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Solution

The fourth proportional to 41,984.10, 62,974.80 and 13,905.45 is: 20,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,984.10 : 62,974.80 = 13,905.45 : x
  2. Step 2: Convert to fraction form
    41,984.10/62,974.80 = 13,905.45/x
  3. Step 3: Cross multiply
    41,984.10x = 62,974.80 × 13,905.45
  4. Step 4: Simplify right side
    41,984.10x = 875,692,932.66
  5. Step 5: Solve for x
    x = 875,692,932.66/41,984.10
  6. Step 6: Final answer
    x = 20,857.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.