Home / 38,108.63-57,198.02-19,402.03

Finding the Fourth Proportional to 38,108.63, 57,198.02 and 19,402.03

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Solution

The fourth proportional to 38,108.63, 57,198.02 and 19,402.03 is: 29,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,108.63 : 57,198.02 = 19,402.03 : x
  2. Step 2: Convert to fraction form
    38,108.63/57,198.02 = 19,402.03/x
  3. Step 3: Cross multiply
    38,108.63x = 57,198.02 × 19,402.03
  4. Step 4: Simplify right side
    38,108.63x = 1,109,757,838.17
  5. Step 5: Solve for x
    x = 1,109,757,838.17/38,108.63
  6. Step 6: Final answer
    x = 29,120.91

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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.