Home / 61,556.64-84,982.32-40,367.04

Finding the Fourth Proportional to 61,556.64, 84,982.32 and 40,367.04

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Solution

The fourth proportional to 61,556.64, 84,982.32 and 40,367.04 is: 55,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,556.64 : 84,982.32 = 40,367.04 : x
  2. Step 2: Convert to fraction form
    61,556.64/84,982.32 = 40,367.04/x
  3. Step 3: Cross multiply
    61,556.64x = 84,982.32 × 40,367.04
  4. Step 4: Simplify right side
    61,556.64x = 3,430,484,710.73
  5. Step 5: Solve for x
    x = 3,430,484,710.73/61,556.64
  6. Step 6: Final answer
    x = 55,728.91

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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.