Home / 50,657.80-69,910.44-30,521.02

Finding the Fourth Proportional to 50,657.80, 69,910.44 and 30,521.02

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Solution

The fourth proportional to 50,657.80, 69,910.44 and 30,521.02 is: 42,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,657.80 : 69,910.44 = 30,521.02 : x
  2. Step 2: Convert to fraction form
    50,657.80/69,910.44 = 30,521.02/x
  3. Step 3: Cross multiply
    50,657.80x = 69,910.44 × 30,521.02
  4. Step 4: Simplify right side
    50,657.80x = 2,133,737,937.45
  5. Step 5: Solve for x
    x = 2,133,737,937.45/50,657.80
  6. Step 6: Final answer
    x = 42,120.62

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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.