Home / 50,521.51-75,696-28,321.03

Finding the Fourth Proportional to 50,521.51, 75,696 and 28,321.03

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Solution

The fourth proportional to 50,521.51, 75,696 and 28,321.03 is: 42,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,521.51 : 75,696 = 28,321.03 : x
  2. Step 2: Convert to fraction form
    50,521.51/75,696 = 28,321.03/x
  3. Step 3: Cross multiply
    50,521.51x = 75,696 × 28,321.03
  4. Step 4: Simplify right side
    50,521.51x = 2,143,788,686.88
  5. Step 5: Solve for x
    x = 2,143,788,686.88/50,521.51
  6. Step 6: Final answer
    x = 42,433.19

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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.