Home / 31,869.04-43,977.66-17,719.12

Finding the Fourth Proportional to 31,869.04, 43,977.66 and 17,719.12

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Solution

The fourth proportional to 31,869.04, 43,977.66 and 17,719.12 is: 24,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869.04 : 43,977.66 = 17,719.12 : x
  2. Step 2: Convert to fraction form
    31,869.04/43,977.66 = 17,719.12/x
  3. Step 3: Cross multiply
    31,869.04x = 43,977.66 × 17,719.12
  4. Step 4: Simplify right side
    31,869.04x = 779,245,434.86
  5. Step 5: Solve for x
    x = 779,245,434.86/31,869.04
  6. Step 6: Final answer
    x = 24,451.49

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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.