Home / 36,724.98-50,680.32-20,812.47

Finding the Fourth Proportional to 36,724.98, 50,680.32 and 20,812.47

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Solution

The fourth proportional to 36,724.98, 50,680.32 and 20,812.47 is: 28,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,724.98 : 50,680.32 = 20,812.47 : x
  2. Step 2: Convert to fraction form
    36,724.98/50,680.32 = 20,812.47/x
  3. Step 3: Cross multiply
    36,724.98x = 50,680.32 × 20,812.47
  4. Step 4: Simplify right side
    36,724.98x = 1,054,782,639.59
  5. Step 5: Solve for x
    x = 1,054,782,639.59/36,724.98
  6. Step 6: Final answer
    x = 28,721.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.