Home / 50,997.80-70,376-28,336.62

Finding the Fourth Proportional to 50,997.80, 70,376 and 28,336.62

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Solution

The fourth proportional to 50,997.80, 70,376 and 28,336.62 is: 39,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,997.80 : 70,376 = 28,336.62 : x
  2. Step 2: Convert to fraction form
    50,997.80/70,376 = 28,336.62/x
  3. Step 3: Cross multiply
    50,997.80x = 70,376 × 28,336.62
  4. Step 4: Simplify right side
    50,997.80x = 1,994,217,969.12
  5. Step 5: Solve for x
    x = 1,994,217,969.12/50,997.80
  6. Step 6: Final answer
    x = 39,104.00

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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.