Home / 38,638.69-57,951.20-17,573.78

Finding the Fourth Proportional to 38,638.69, 57,951.20 and 17,573.78

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Solution

The fourth proportional to 38,638.69, 57,951.20 and 17,573.78 is: 26,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,638.69 : 57,951.20 = 17,573.78 : x
  2. Step 2: Convert to fraction form
    38,638.69/57,951.20 = 17,573.78/x
  3. Step 3: Cross multiply
    38,638.69x = 57,951.20 × 17,573.78
  4. Step 4: Simplify right side
    38,638.69x = 1,018,421,403.52
  5. Step 5: Solve for x
    x = 1,018,421,403.52/38,638.69
  6. Step 6: Final answer
    x = 26,357.56

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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.