Home / 22,512.30-33,723.90-19,742.10

Finding the Fourth Proportional to 22,512.30, 33,723.90 and 19,742.10

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Solution

The fourth proportional to 22,512.30, 33,723.90 and 19,742.10 is: 29,574.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.30 : 33,723.90 = 19,742.10 : x
  2. Step 2: Convert to fraction form
    22,512.30/33,723.90 = 19,742.10/x
  3. Step 3: Cross multiply
    22,512.30x = 33,723.90 × 19,742.10
  4. Step 4: Simplify right side
    22,512.30x = 665,780,606.19
  5. Step 5: Solve for x
    x = 665,780,606.19/22,512.30
  6. Step 6: Final answer
    x = 29,574.08

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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.