Home / 50,530.98-75,823.80-20,969.22

Finding the Fourth Proportional to 50,530.98, 75,823.80 and 20,969.22

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Solution

The fourth proportional to 50,530.98, 75,823.80 and 20,969.22 is: 31,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,530.98 : 75,823.80 = 20,969.22 : x
  2. Step 2: Convert to fraction form
    50,530.98/75,823.80 = 20,969.22/x
  3. Step 3: Cross multiply
    50,530.98x = 75,823.80 × 20,969.22
  4. Step 4: Simplify right side
    50,530.98x = 1,589,965,943.44
  5. Step 5: Solve for x
    x = 1,589,965,943.44/50,530.98
  6. Step 6: Final answer
    x = 31,465.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.