Home / 34,163.47-47,167.52-21,434.09

Finding the Fourth Proportional to 34,163.47, 47,167.52 and 21,434.09

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Solution

The fourth proportional to 34,163.47, 47,167.52 and 21,434.09 is: 29,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,163.47 : 47,167.52 = 21,434.09 : x
  2. Step 2: Convert to fraction form
    34,163.47/47,167.52 = 21,434.09/x
  3. Step 3: Cross multiply
    34,163.47x = 47,167.52 × 21,434.09
  4. Step 4: Simplify right side
    34,163.47x = 1,010,992,868.76
  5. Step 5: Solve for x
    x = 1,010,992,868.76/34,163.47
  6. Step 6: Final answer
    x = 29,592.80

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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.