Home / 36,116.68-49,820.96-21,007.64

Finding the Fourth Proportional to 36,116.68, 49,820.96 and 21,007.64

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Solution

The fourth proportional to 36,116.68, 49,820.96 and 21,007.64 is: 28,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,116.68 : 49,820.96 = 21,007.64 : x
  2. Step 2: Convert to fraction form
    36,116.68/49,820.96 = 21,007.64/x
  3. Step 3: Cross multiply
    36,116.68x = 49,820.96 × 21,007.64
  4. Step 4: Simplify right side
    36,116.68x = 1,046,620,792.13
  5. Step 5: Solve for x
    x = 1,046,620,792.13/36,116.68
  6. Step 6: Final answer
    x = 28,978.88

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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.