Home / 34,307.76-47,338.56-20,163.44

Finding the Fourth Proportional to 34,307.76, 47,338.56 and 20,163.44

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Solution

The fourth proportional to 34,307.76, 47,338.56 and 20,163.44 is: 27,821.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,307.76 : 47,338.56 = 20,163.44 : x
  2. Step 2: Convert to fraction form
    34,307.76/47,338.56 = 20,163.44/x
  3. Step 3: Cross multiply
    34,307.76x = 47,338.56 × 20,163.44
  4. Step 4: Simplify right side
    34,307.76x = 954,508,214.25
  5. Step 5: Solve for x
    x = 954,508,214.25/34,307.76
  6. Step 6: Final answer
    x = 27,821.93

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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.