Home / 22,171.04-30,599.84-21,174.56

Finding the Fourth Proportional to 22,171.04, 30,599.84 and 21,174.56

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Solution

The fourth proportional to 22,171.04, 30,599.84 and 21,174.56 is: 29,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,171.04 : 30,599.84 = 21,174.56 : x
  2. Step 2: Convert to fraction form
    22,171.04/30,599.84 = 21,174.56/x
  3. Step 3: Cross multiply
    22,171.04x = 30,599.84 × 21,174.56
  4. Step 4: Simplify right side
    22,171.04x = 647,938,148.07
  5. Step 5: Solve for x
    x = 647,938,148.07/22,171.04
  6. Step 6: Final answer
    x = 29,224.53

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1.5x scale

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.