Home / 36,721.32-55,084.08-10,424

Finding the Fourth Proportional to 36,721.32, 55,084.08 and 10,424

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Solution

The fourth proportional to 36,721.32, 55,084.08 and 10,424 is: 15,636.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.32 : 55,084.08 = 10,424 : x
  2. Step 2: Convert to fraction form
    36,721.32/55,084.08 = 10,424/x
  3. Step 3: Cross multiply
    36,721.32x = 55,084.08 × 10,424
  4. Step 4: Simplify right side
    36,721.32x = 574,196,449.92
  5. Step 5: Solve for x
    x = 574,196,449.92/36,721.32
  6. Step 6: Final answer
    x = 15,636.60

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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.