Home / 61,215.30-91,844.55-21,773.70

Finding the Fourth Proportional to 61,215.30, 91,844.55 and 21,773.70

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Solution

The fourth proportional to 61,215.30, 91,844.55 and 21,773.70 is: 32,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,215.30 : 91,844.55 = 21,773.70 : x
  2. Step 2: Convert to fraction form
    61,215.30/91,844.55 = 21,773.70/x
  3. Step 3: Cross multiply
    61,215.30x = 91,844.55 × 21,773.70
  4. Step 4: Simplify right side
    61,215.30x = 1,999,795,678.34
  5. Step 5: Solve for x
    x = 1,999,795,678.34/61,215.30
  6. Step 6: Final answer
    x = 32,668.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.