Home / 58,696.32-87,991.86-21,247.62

Finding the Fourth Proportional to 58,696.32, 87,991.86 and 21,247.62

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Solution

The fourth proportional to 58,696.32, 87,991.86 and 21,247.62 is: 31,852.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,696.32 : 87,991.86 = 21,247.62 : x
  2. Step 2: Convert to fraction form
    58,696.32/87,991.86 = 21,247.62/x
  3. Step 3: Cross multiply
    58,696.32x = 87,991.86 × 21,247.62
  4. Step 4: Simplify right side
    58,696.32x = 1,869,617,604.37
  5. Step 5: Solve for x
    x = 1,869,617,604.37/58,696.32
  6. Step 6: Final answer
    x = 31,852.38

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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.