Home / 31,246.66-43,121.25-17,820.10

Finding the Fourth Proportional to 31,246.66, 43,121.25 and 17,820.10

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Solution

The fourth proportional to 31,246.66, 43,121.25 and 17,820.10 is: 24,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.66 : 43,121.25 = 17,820.10 : x
  2. Step 2: Convert to fraction form
    31,246.66/43,121.25 = 17,820.10/x
  3. Step 3: Cross multiply
    31,246.66x = 43,121.25 × 17,820.10
  4. Step 4: Simplify right side
    31,246.66x = 768,424,682.42
  5. Step 5: Solve for x
    x = 768,424,682.42/31,246.66
  6. Step 6: Final answer
    x = 24,592.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.