Home / 35,231.81-48,621.40-21,081.92

Finding the Fourth Proportional to 35,231.81, 48,621.40 and 21,081.92

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Solution

The fourth proportional to 35,231.81, 48,621.40 and 21,081.92 is: 29,093.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,231.81 : 48,621.40 = 21,081.92 : x
  2. Step 2: Convert to fraction form
    35,231.81/48,621.40 = 21,081.92/x
  3. Step 3: Cross multiply
    35,231.81x = 48,621.40 × 21,081.92
  4. Step 4: Simplify right side
    35,231.81x = 1,025,032,169.28
  5. Step 5: Solve for x
    x = 1,025,032,169.28/35,231.81
  6. Step 6: Final answer
    x = 29,093.94

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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.