Home / 35,239.82-48,632.49-21,089.90

Finding the Fourth Proportional to 35,239.82, 48,632.49 and 21,089.90

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Solution

The fourth proportional to 35,239.82, 48,632.49 and 21,089.90 is: 29,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,239.82 : 48,632.49 = 21,089.90 : x
  2. Step 2: Convert to fraction form
    35,239.82/48,632.49 = 21,089.90/x
  3. Step 3: Cross multiply
    35,239.82x = 48,632.49 × 21,089.90
  4. Step 4: Simplify right side
    35,239.82x = 1,025,654,350.85
  5. Step 5: Solve for x
    x = 1,025,654,350.85/35,239.82
  6. Step 6: Final answer
    x = 29,104.98

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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.