Home / 34,639.29-47,791.35-21,196.53

Finding the Fourth Proportional to 34,639.29, 47,791.35 and 21,196.53

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Solution

The fourth proportional to 34,639.29, 47,791.35 and 21,196.53 is: 29,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,639.29 : 47,791.35 = 21,196.53 : x
  2. Step 2: Convert to fraction form
    34,639.29/47,791.35 = 21,196.53/x
  3. Step 3: Cross multiply
    34,639.29x = 47,791.35 × 21,196.53
  4. Step 4: Simplify right side
    34,639.29x = 1,013,010,784.02
  5. Step 5: Solve for x
    x = 1,013,010,784.02/34,639.29
  6. Step 6: Final answer
    x = 29,244.56

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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.