Home / 41,913.80-62,870.70-19,719.80

Finding the Fourth Proportional to 41,913.80, 62,870.70 and 19,719.80

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Solution

The fourth proportional to 41,913.80, 62,870.70 and 19,719.80 is: 29,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,913.80 : 62,870.70 = 19,719.80 : x
  2. Step 2: Convert to fraction form
    41,913.80/62,870.70 = 19,719.80/x
  3. Step 3: Cross multiply
    41,913.80x = 62,870.70 × 19,719.80
  4. Step 4: Simplify right side
    41,913.80x = 1,239,797,629.86
  5. Step 5: Solve for x
    x = 1,239,797,629.86/41,913.80
  6. Step 6: Final answer
    x = 29,579.70

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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.