Home / 34,512.08-47,611.68-21,930.08

Finding the Fourth Proportional to 34,512.08, 47,611.68 and 21,930.08

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Solution

The fourth proportional to 34,512.08, 47,611.68 and 21,930.08 is: 30,253.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,512.08 : 47,611.68 = 21,930.08 : x
  2. Step 2: Convert to fraction form
    34,512.08/47,611.68 = 21,930.08/x
  3. Step 3: Cross multiply
    34,512.08x = 47,611.68 × 21,930.08
  4. Step 4: Simplify right side
    34,512.08x = 1,044,127,951.33
  5. Step 5: Solve for x
    x = 1,044,127,951.33/34,512.08
  6. Step 6: Final answer
    x = 30,253.99

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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.