Home / 34,639.58-47,791.29-21,196.82

Finding the Fourth Proportional to 34,639.58, 47,791.29 and 21,196.82

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Solution

The fourth proportional to 34,639.58, 47,791.29 and 21,196.82 is: 29,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,639.58 : 47,791.29 = 21,196.82 : x
  2. Step 2: Convert to fraction form
    34,639.58/47,791.29 = 21,196.82/x
  3. Step 3: Cross multiply
    34,639.58x = 47,791.29 × 21,196.82
  4. Step 4: Simplify right side
    34,639.58x = 1,013,023,371.70
  5. Step 5: Solve for x
    x = 1,013,023,371.70/34,639.58
  6. Step 6: Final answer
    x = 29,244.68

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1.5x scale

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.