Home / 52,680.83-79,021.31-21,516.08

Finding the Fourth Proportional to 52,680.83, 79,021.31 and 21,516.08

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Solution

The fourth proportional to 52,680.83, 79,021.31 and 21,516.08 is: 32,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680.83 : 79,021.31 = 21,516.08 : x
  2. Step 2: Convert to fraction form
    52,680.83/79,021.31 = 21,516.08/x
  3. Step 3: Cross multiply
    52,680.83x = 79,021.31 × 21,516.08
  4. Step 4: Simplify right side
    52,680.83x = 1,700,228,324.98
  5. Step 5: Solve for x
    x = 1,700,228,324.98/52,680.83
  6. Step 6: Final answer
    x = 32,274.14

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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.