Home / 50,221.15-69,304.61-28,999.96

Finding the Fourth Proportional to 50,221.15, 69,304.61 and 28,999.96

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Solution

The fourth proportional to 50,221.15, 69,304.61 and 28,999.96 is: 40,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,221.15 : 69,304.61 = 28,999.96 : x
  2. Step 2: Convert to fraction form
    50,221.15/69,304.61 = 28,999.96/x
  3. Step 3: Cross multiply
    50,221.15x = 69,304.61 × 28,999.96
  4. Step 4: Simplify right side
    50,221.15x = 2,009,830,817.05
  5. Step 5: Solve for x
    x = 2,009,830,817.05/50,221.15
  6. Step 6: Final answer
    x = 40,019.61

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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.