Home / 61,921.13-85,477.32-41,805.26

Finding the Fourth Proportional to 61,921.13, 85,477.32 and 41,805.26

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Solution

The fourth proportional to 61,921.13, 85,477.32 and 41,805.26 is: 57,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,921.13 : 85,477.32 = 41,805.26 : x
  2. Step 2: Convert to fraction form
    61,921.13/85,477.32 = 41,805.26/x
  3. Step 3: Cross multiply
    61,921.13x = 85,477.32 × 41,805.26
  4. Step 4: Simplify right side
    61,921.13x = 3,573,401,586.70
  5. Step 5: Solve for x
    x = 3,573,401,586.70/61,921.13
  6. Step 6: Final answer
    x = 57,708.92

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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.