Home / 52,447.91-78,704.66-21,283.16

Finding the Fourth Proportional to 52,447.91, 78,704.66 and 21,283.16

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Solution

The fourth proportional to 52,447.91, 78,704.66 and 21,283.16 is: 31,938.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,447.91 : 78,704.66 = 21,283.16 : x
  2. Step 2: Convert to fraction form
    52,447.91/78,704.66 = 21,283.16/x
  3. Step 3: Cross multiply
    52,447.91x = 78,704.66 × 21,283.16
  4. Step 4: Simplify right side
    52,447.91x = 1,675,083,531.21
  5. Step 5: Solve for x
    x = 1,675,083,531.21/52,447.91
  6. Step 6: Final answer
    x = 31,938.04

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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.