Home / 36,380.19-50,203.91-21,281.79

Finding the Fourth Proportional to 36,380.19, 50,203.91 and 21,281.79

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Solution

The fourth proportional to 36,380.19, 50,203.91 and 21,281.79 is: 29,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,380.19 : 50,203.91 = 21,281.79 : x
  2. Step 2: Convert to fraction form
    36,380.19/50,203.91 = 21,281.79/x
  3. Step 3: Cross multiply
    36,380.19x = 50,203.91 × 21,281.79
  4. Step 4: Simplify right side
    36,380.19x = 1,068,429,069.80
  5. Step 5: Solve for x
    x = 1,068,429,069.80/36,380.19
  6. Step 6: Final answer
    x = 29,368.43

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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.