Home / 57,883.90-86,827.62-19,932.76

Finding the Fourth Proportional to 57,883.90, 86,827.62 and 19,932.76

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Solution

The fourth proportional to 57,883.90, 86,827.62 and 19,932.76 is: 29,899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,883.90 : 86,827.62 = 19,932.76 : x
  2. Step 2: Convert to fraction form
    57,883.90/86,827.62 = 19,932.76/x
  3. Step 3: Cross multiply
    57,883.90x = 86,827.62 × 19,932.76
  4. Step 4: Simplify right side
    57,883.90x = 1,730,714,110.83
  5. Step 5: Solve for x
    x = 1,730,714,110.83/57,883.90
  6. Step 6: Final answer
    x = 29,899.75

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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.