Home / 40,696.70-61,138.86-39,015.23

Finding the Fourth Proportional to 40,696.70, 61,138.86 and 39,015.23

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Solution

The fourth proportional to 40,696.70, 61,138.86 and 39,015.23 is: 58,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,696.70 : 61,138.86 = 39,015.23 : x
  2. Step 2: Convert to fraction form
    40,696.70/61,138.86 = 39,015.23/x
  3. Step 3: Cross multiply
    40,696.70x = 61,138.86 × 39,015.23
  4. Step 4: Simplify right side
    40,696.70x = 2,385,346,684.84
  5. Step 5: Solve for x
    x = 2,385,346,684.84/40,696.70
  6. Step 6: Final answer
    x = 58,612.78

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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.