Home / 35,772.30-49,363.56-19,855.80

Finding the Fourth Proportional to 35,772.30, 49,363.56 and 19,855.80

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Solution

The fourth proportional to 35,772.30, 49,363.56 and 19,855.80 is: 27,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,772.30 : 49,363.56 = 19,855.80 : x
  2. Step 2: Convert to fraction form
    35,772.30/49,363.56 = 19,855.80/x
  3. Step 3: Cross multiply
    35,772.30x = 49,363.56 × 19,855.80
  4. Step 4: Simplify right side
    35,772.30x = 980,152,974.65
  5. Step 5: Solve for x
    x = 980,152,974.65/35,772.30
  6. Step 6: Final answer
    x = 27,399.78

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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.