Home / 42,902.72-59,170.64-30,197.96

Finding the Fourth Proportional to 42,902.72, 59,170.64 and 30,197.96

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Solution

The fourth proportional to 42,902.72, 59,170.64 and 30,197.96 is: 41,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,902.72 : 59,170.64 = 30,197.96 : x
  2. Step 2: Convert to fraction form
    42,902.72/59,170.64 = 30,197.96/x
  3. Step 3: Cross multiply
    42,902.72x = 59,170.64 × 30,197.96
  4. Step 4: Simplify right side
    42,902.72x = 1,786,832,324.04
  5. Step 5: Solve for x
    x = 1,786,832,324.04/42,902.72
  6. Step 6: Final answer
    x = 41,648.47

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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.