Home / 35,589.68-49,110-19,671.56

Finding the Fourth Proportional to 35,589.68, 49,110 and 19,671.56

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Solution

The fourth proportional to 35,589.68, 49,110 and 19,671.56 is: 27,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,589.68 : 49,110 = 19,671.56 : x
  2. Step 2: Convert to fraction form
    35,589.68/49,110 = 19,671.56/x
  3. Step 3: Cross multiply
    35,589.68x = 49,110 × 19,671.56
  4. Step 4: Simplify right side
    35,589.68x = 966,070,311.60
  5. Step 5: Solve for x
    x = 966,070,311.60/35,589.68
  6. Step 6: Final answer
    x = 27,144.68

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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.