Home / 69,315.31-103,972.96-27,215.22

Finding the Fourth Proportional to 69,315.31, 103,972.96 and 27,215.22

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Solution

The fourth proportional to 69,315.31, 103,972.96 and 27,215.22 is: 40,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,315.31 : 103,972.96 = 27,215.22 : x
  2. Step 2: Convert to fraction form
    69,315.31/103,972.96 = 27,215.22/x
  3. Step 3: Cross multiply
    69,315.31x = 103,972.96 × 27,215.22
  4. Step 4: Simplify right side
    69,315.31x = 2,829,646,980.45
  5. Step 5: Solve for x
    x = 2,829,646,980.45/69,315.31
  6. Step 6: Final answer
    x = 40,822.83

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Similar ratio
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1.5x scale

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.