Home / 36,721.68-55,083.06-10,426.50

Finding the Fourth Proportional to 36,721.68, 55,083.06 and 10,426.50

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Solution

The fourth proportional to 36,721.68, 55,083.06 and 10,426.50 is: 15,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.68 : 55,083.06 = 10,426.50 : x
  2. Step 2: Convert to fraction form
    36,721.68/55,083.06 = 10,426.50/x
  3. Step 3: Cross multiply
    36,721.68x = 55,083.06 × 10,426.50
  4. Step 4: Simplify right side
    36,721.68x = 574,323,525.09
  5. Step 5: Solve for x
    x = 574,323,525.09/36,721.68
  6. Step 6: Final answer
    x = 15,639.90

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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.