Home / 35,257.84-48,651.24-21,107.68

Finding the Fourth Proportional to 35,257.84, 48,651.24 and 21,107.68

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Solution

The fourth proportional to 35,257.84, 48,651.24 and 21,107.68 is: 29,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,257.84 : 48,651.24 = 21,107.68 : x
  2. Step 2: Convert to fraction form
    35,257.84/48,651.24 = 21,107.68/x
  3. Step 3: Cross multiply
    35,257.84x = 48,651.24 × 21,107.68
  4. Step 4: Simplify right side
    35,257.84x = 1,026,914,805.52
  5. Step 5: Solve for x
    x = 1,026,914,805.52/35,257.84
  6. Step 6: Final answer
    x = 29,125.86

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1.5x scale

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.