Home / 34,774.26-47,989.71-19,668.57

Finding the Fourth Proportional to 34,774.26, 47,989.71 and 19,668.57

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Solution

The fourth proportional to 34,774.26, 47,989.71 and 19,668.57 is: 27,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,774.26 : 47,989.71 = 19,668.57 : x
  2. Step 2: Convert to fraction form
    34,774.26/47,989.71 = 19,668.57/x
  3. Step 3: Cross multiply
    34,774.26x = 47,989.71 × 19,668.57
  4. Step 4: Simplify right side
    34,774.26x = 943,888,970.41
  5. Step 5: Solve for x
    x = 943,888,970.41/34,774.26
  6. Step 6: Final answer
    x = 27,143.32

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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.