Home / 20,551.53-30,827.31-4,969.17

Finding the Fourth Proportional to 20,551.53, 30,827.31 and 4,969.17

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Solution

The fourth proportional to 20,551.53, 30,827.31 and 4,969.17 is: 7,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,551.53 : 30,827.31 = 4,969.17 : x
  2. Step 2: Convert to fraction form
    20,551.53/30,827.31 = 4,969.17/x
  3. Step 3: Cross multiply
    20,551.53x = 30,827.31 × 4,969.17
  4. Step 4: Simplify right side
    20,551.53x = 153,186,144.03
  5. Step 5: Solve for x
    x = 153,186,144.03/20,551.53
  6. Step 6: Final answer
    x = 7,453.76

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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.