Home / 35,977.89-53,982.35-19,318.44

Finding the Fourth Proportional to 35,977.89, 53,982.35 and 19,318.44

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Solution

The fourth proportional to 35,977.89, 53,982.35 and 19,318.44 is: 28,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.89 : 53,982.35 = 19,318.44 : x
  2. Step 2: Convert to fraction form
    35,977.89/53,982.35 = 19,318.44/x
  3. Step 3: Cross multiply
    35,977.89x = 53,982.35 × 19,318.44
  4. Step 4: Simplify right side
    35,977.89x = 1,042,854,789.53
  5. Step 5: Solve for x
    x = 1,042,854,789.53/35,977.89
  6. Step 6: Final answer
    x = 28,985.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.