Home / 38,511.40-57,786.30-21,884.20

Finding the Fourth Proportional to 38,511.40, 57,786.30 and 21,884.20

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Solution

The fourth proportional to 38,511.40, 57,786.30 and 21,884.20 is: 32,837.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,511.40 : 57,786.30 = 21,884.20 : x
  2. Step 2: Convert to fraction form
    38,511.40/57,786.30 = 21,884.20/x
  3. Step 3: Cross multiply
    38,511.40x = 57,786.30 × 21,884.20
  4. Step 4: Simplify right side
    38,511.40x = 1,264,606,946.46
  5. Step 5: Solve for x
    x = 1,264,606,946.46/38,511.40
  6. Step 6: Final answer
    x = 32,837.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.