Home / 61,819.45-85,312.69-34,961.42

Finding the Fourth Proportional to 61,819.45, 85,312.69 and 34,961.42

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Solution

The fourth proportional to 61,819.45, 85,312.69 and 34,961.42 is: 48,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,819.45 : 85,312.69 = 34,961.42 : x
  2. Step 2: Convert to fraction form
    61,819.45/85,312.69 = 34,961.42/x
  3. Step 3: Cross multiply
    61,819.45x = 85,312.69 × 34,961.42
  4. Step 4: Simplify right side
    61,819.45x = 2,982,653,108.96
  5. Step 5: Solve for x
    x = 2,982,653,108.96/61,819.45
  6. Step 6: Final answer
    x = 48,247.81

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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.