Home / 41,979.88-62,970.23-19,803.70

Finding the Fourth Proportional to 41,979.88, 62,970.23 and 19,803.70

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Solution

The fourth proportional to 41,979.88, 62,970.23 and 19,803.70 is: 29,705.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,979.88 : 62,970.23 = 19,803.70 : x
  2. Step 2: Convert to fraction form
    41,979.88/62,970.23 = 19,803.70/x
  3. Step 3: Cross multiply
    41,979.88x = 62,970.23 × 19,803.70
  4. Step 4: Simplify right side
    41,979.88x = 1,247,043,543.85
  5. Step 5: Solve for x
    x = 1,247,043,543.85/41,979.88
  6. Step 6: Final answer
    x = 29,705.74

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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.