Home / 36,395.84-50,229.16-20,479.28

Finding the Fourth Proportional to 36,395.84, 50,229.16 and 20,479.28

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Solution

The fourth proportional to 36,395.84, 50,229.16 and 20,479.28 is: 28,263.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,395.84 : 50,229.16 = 20,479.28 : x
  2. Step 2: Convert to fraction form
    36,395.84/50,229.16 = 20,479.28/x
  3. Step 3: Cross multiply
    36,395.84x = 50,229.16 × 20,479.28
  4. Step 4: Simplify right side
    36,395.84x = 1,028,657,031.80
  5. Step 5: Solve for x
    x = 1,028,657,031.80/36,395.84
  6. Step 6: Final answer
    x = 28,263.04

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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.