Home / 22,204.98-30,656.46-21,139.33

Finding the Fourth Proportional to 22,204.98, 30,656.46 and 21,139.33

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Solution

The fourth proportional to 22,204.98, 30,656.46 and 21,139.33 is: 29,185.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.98 : 30,656.46 = 21,139.33 : x
  2. Step 2: Convert to fraction form
    22,204.98/30,656.46 = 21,139.33/x
  3. Step 3: Cross multiply
    22,204.98x = 30,656.46 × 21,139.33
  4. Step 4: Simplify right side
    22,204.98x = 648,057,024.57
  5. Step 5: Solve for x
    x = 648,057,024.57/22,204.98
  6. Step 6: Final answer
    x = 29,185.21

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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.