Home / 35,474.60-48,960.78-21,335.24

Finding the Fourth Proportional to 35,474.60, 48,960.78 and 21,335.24

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Solution

The fourth proportional to 35,474.60, 48,960.78 and 21,335.24 is: 29,446.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.60 : 48,960.78 = 21,335.24 : x
  2. Step 2: Convert to fraction form
    35,474.60/48,960.78 = 21,335.24/x
  3. Step 3: Cross multiply
    35,474.60x = 48,960.78 × 21,335.24
  4. Step 4: Simplify right side
    35,474.60x = 1,044,589,991.89
  5. Step 5: Solve for x
    x = 1,044,589,991.89/35,474.60
  6. Step 6: Final answer
    x = 29,446.14

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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.