Home / 61,275.65-91,921.30-21,836.75

Finding the Fourth Proportional to 61,275.65, 91,921.30 and 21,836.75

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Solution

The fourth proportional to 61,275.65, 91,921.30 and 21,836.75 is: 32,757.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,275.65 : 91,921.30 = 21,836.75 : x
  2. Step 2: Convert to fraction form
    61,275.65/91,921.30 = 21,836.75/x
  3. Step 3: Cross multiply
    61,275.65x = 91,921.30 × 21,836.75
  4. Step 4: Simplify right side
    61,275.65x = 2,007,261,933.58
  5. Step 5: Solve for x
    x = 2,007,261,933.58/61,275.65
  6. Step 6: Final answer
    x = 32,757.91

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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.