Home / 56,938.44-85,398.85-19,489.89

Finding the Fourth Proportional to 56,938.44, 85,398.85 and 19,489.89

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Solution

The fourth proportional to 56,938.44, 85,398.85 and 19,489.89 is: 29,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938.44 : 85,398.85 = 19,489.89 : x
  2. Step 2: Convert to fraction form
    56,938.44/85,398.85 = 19,489.89/x
  3. Step 3: Cross multiply
    56,938.44x = 85,398.85 × 19,489.89
  4. Step 4: Simplify right side
    56,938.44x = 1,664,414,192.63
  5. Step 5: Solve for x
    x = 1,664,414,192.63/56,938.44
  6. Step 6: Final answer
    x = 29,231.82

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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.