Home / 34,979.40-48,253.02-21,553.56

Finding the Fourth Proportional to 34,979.40, 48,253.02 and 21,553.56

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Solution

The fourth proportional to 34,979.40, 48,253.02 and 21,553.56 is: 29,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,979.40 : 48,253.02 = 21,553.56 : x
  2. Step 2: Convert to fraction form
    34,979.40/48,253.02 = 21,553.56/x
  3. Step 3: Cross multiply
    34,979.40x = 48,253.02 × 21,553.56
  4. Step 4: Simplify right side
    34,979.40x = 1,040,024,361.75
  5. Step 5: Solve for x
    x = 1,040,024,361.75/34,979.40
  6. Step 6: Final answer
    x = 29,732.48

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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.