Home / 35,829.66-49,441.26-20,721.15

Finding the Fourth Proportional to 35,829.66, 49,441.26 and 20,721.15

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Solution

The fourth proportional to 35,829.66, 49,441.26 and 20,721.15 is: 28,593.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,829.66 : 49,441.26 = 20,721.15 : x
  2. Step 2: Convert to fraction form
    35,829.66/49,441.26 = 20,721.15/x
  3. Step 3: Cross multiply
    35,829.66x = 49,441.26 × 20,721.15
  4. Step 4: Simplify right side
    35,829.66x = 1,024,479,764.65
  5. Step 5: Solve for x
    x = 1,024,479,764.65/35,829.66
  6. Step 6: Final answer
    x = 28,593.06

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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.