Home / 36,821.04-50,830.32-21,708.96

Finding the Fourth Proportional to 36,821.04, 50,830.32 and 21,708.96

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Solution

The fourth proportional to 36,821.04, 50,830.32 and 21,708.96 is: 29,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,821.04 : 50,830.32 = 21,708.96 : x
  2. Step 2: Convert to fraction form
    36,821.04/50,830.32 = 21,708.96/x
  3. Step 3: Cross multiply
    36,821.04x = 50,830.32 × 21,708.96
  4. Step 4: Simplify right side
    36,821.04x = 1,103,473,383.67
  5. Step 5: Solve for x
    x = 1,103,473,383.67/36,821.04
  6. Step 6: Final answer
    x = 29,968.56

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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.