Home / 35,687.52-49,249.20-19,772.22

Finding the Fourth Proportional to 35,687.52, 49,249.20 and 19,772.22

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Solution

The fourth proportional to 35,687.52, 49,249.20 and 19,772.22 is: 27,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.52 : 49,249.20 = 19,772.22 : x
  2. Step 2: Convert to fraction form
    35,687.52/49,249.20 = 19,772.22/x
  3. Step 3: Cross multiply
    35,687.52x = 49,249.20 × 19,772.22
  4. Step 4: Simplify right side
    35,687.52x = 973,766,017.22
  5. Step 5: Solve for x
    x = 973,766,017.22/35,687.52
  6. Step 6: Final answer
    x = 27,285.90

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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.