Home / 29,744.11-40,987.57-21,222.22

Finding the Fourth Proportional to 29,744.11, 40,987.57 and 21,222.22

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Solution

The fourth proportional to 29,744.11, 40,987.57 and 21,222.22 is: 29,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,744.11 : 40,987.57 = 21,222.22 : x
  2. Step 2: Convert to fraction form
    29,744.11/40,987.57 = 21,222.22/x
  3. Step 3: Cross multiply
    29,744.11x = 40,987.57 × 21,222.22
  4. Step 4: Simplify right side
    29,744.11x = 869,847,016.01
  5. Step 5: Solve for x
    x = 869,847,016.01/29,744.11
  6. Step 6: Final answer
    x = 29,244.34

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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.