Home / 40,530.75-61,100.15-37,821.28

Finding the Fourth Proportional to 40,530.75, 61,100.15 and 37,821.28

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Solution

The fourth proportional to 40,530.75, 61,100.15 and 37,821.28 is: 57,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,530.75 : 61,100.15 = 37,821.28 : x
  2. Step 2: Convert to fraction form
    40,530.75/61,100.15 = 37,821.28/x
  3. Step 3: Cross multiply
    40,530.75x = 61,100.15 × 37,821.28
  4. Step 4: Simplify right side
    40,530.75x = 2,310,885,760.27
  5. Step 5: Solve for x
    x = 2,310,885,760.27/40,530.75
  6. Step 6: Final answer
    x = 57,015.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.