Home / 61,559.31-85,021.92-41,381.20

Finding the Fourth Proportional to 61,559.31, 85,021.92 and 41,381.20

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Solution

The fourth proportional to 61,559.31, 85,021.92 and 41,381.20 is: 57,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,559.31 : 85,021.92 = 41,381.20 : x
  2. Step 2: Convert to fraction form
    61,559.31/85,021.92 = 41,381.20/x
  3. Step 3: Cross multiply
    61,559.31x = 85,021.92 × 41,381.20
  4. Step 4: Simplify right side
    61,559.31x = 3,518,309,027.00
  5. Step 5: Solve for x
    x = 3,518,309,027.00/61,559.31
  6. Step 6: Final answer
    x = 57,153.16

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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.