Home / 41,909.80-62,864.70-19,715.80

Finding the Fourth Proportional to 41,909.80, 62,864.70 and 19,715.80

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Solution

The fourth proportional to 41,909.80, 62,864.70 and 19,715.80 is: 29,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,909.80 : 62,864.70 = 19,715.80 : x
  2. Step 2: Convert to fraction form
    41,909.80/62,864.70 = 19,715.80/x
  3. Step 3: Cross multiply
    41,909.80x = 62,864.70 × 19,715.80
  4. Step 4: Simplify right side
    41,909.80x = 1,239,427,852.26
  5. Step 5: Solve for x
    x = 1,239,427,852.26/41,909.80
  6. Step 6: Final answer
    x = 29,573.70

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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.