Home / 36,385.65-50,223.78-21,284.42

Finding the Fourth Proportional to 36,385.65, 50,223.78 and 21,284.42

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Solution

The fourth proportional to 36,385.65, 50,223.78 and 21,284.42 is: 29,379.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,385.65 : 50,223.78 = 21,284.42 : x
  2. Step 2: Convert to fraction form
    36,385.65/50,223.78 = 21,284.42/x
  3. Step 3: Cross multiply
    36,385.65x = 50,223.78 × 21,284.42
  4. Step 4: Simplify right side
    36,385.65x = 1,068,983,776.39
  5. Step 5: Solve for x
    x = 1,068,983,776.39/36,385.65
  6. Step 6: Final answer
    x = 29,379.27

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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.