Home / 45,634.40-62,974.68-25,490

Finding the Fourth Proportional to 45,634.40, 62,974.68 and 25,490

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Solution

The fourth proportional to 45,634.40, 62,974.68 and 25,490 is: 35,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,634.40 : 62,974.68 = 25,490 : x
  2. Step 2: Convert to fraction form
    45,634.40/62,974.68 = 25,490/x
  3. Step 3: Cross multiply
    45,634.40x = 62,974.68 × 25,490
  4. Step 4: Simplify right side
    45,634.40x = 1,605,224,593.20
  5. Step 5: Solve for x
    x = 1,605,224,593.20/45,634.40
  6. Step 6: Final answer
    x = 35,175.76

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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.