Home / 36,395.32-50,224.96-20,479.76

Finding the Fourth Proportional to 36,395.32, 50,224.96 and 20,479.76

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Solution

The fourth proportional to 36,395.32, 50,224.96 and 20,479.76 is: 28,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,395.32 : 50,224.96 = 20,479.76 : x
  2. Step 2: Convert to fraction form
    36,395.32/50,224.96 = 20,479.76/x
  3. Step 3: Cross multiply
    36,395.32x = 50,224.96 × 20,479.76
  4. Step 4: Simplify right side
    36,395.32x = 1,028,595,126.81
  5. Step 5: Solve for x
    x = 1,028,595,126.81/36,395.32
  6. Step 6: Final answer
    x = 28,261.74

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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.