Home / 31,226.72-43,091.29-19,291.10

Finding the Fourth Proportional to 31,226.72, 43,091.29 and 19,291.10

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Solution

The fourth proportional to 31,226.72, 43,091.29 and 19,291.10 is: 26,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,226.72 : 43,091.29 = 19,291.10 : x
  2. Step 2: Convert to fraction form
    31,226.72/43,091.29 = 19,291.10/x
  3. Step 3: Cross multiply
    31,226.72x = 43,091.29 × 19,291.10
  4. Step 4: Simplify right side
    31,226.72x = 831,278,492.25
  5. Step 5: Solve for x
    x = 831,278,492.25/31,226.72
  6. Step 6: Final answer
    x = 26,620.74

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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.