Home / 45,428.22-62,690.43-25,284.78

Finding the Fourth Proportional to 45,428.22, 62,690.43 and 25,284.78

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Solution

The fourth proportional to 45,428.22, 62,690.43 and 25,284.78 is: 34,892.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,428.22 : 62,690.43 = 25,284.78 : x
  2. Step 2: Convert to fraction form
    45,428.22/62,690.43 = 25,284.78/x
  3. Step 3: Cross multiply
    45,428.22x = 62,690.43 × 25,284.78
  4. Step 4: Simplify right side
    45,428.22x = 1,585,113,730.66
  5. Step 5: Solve for x
    x = 1,585,113,730.66/45,428.22
  6. Step 6: Final answer
    x = 34,892.71

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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.