Home / 38,164.45-57,184.40-19,418.70

Finding the Fourth Proportional to 38,164.45, 57,184.40 and 19,418.70

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Solution

The fourth proportional to 38,164.45, 57,184.40 and 19,418.70 is: 29,096.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,164.45 : 57,184.40 = 19,418.70 : x
  2. Step 2: Convert to fraction form
    38,164.45/57,184.40 = 19,418.70/x
  3. Step 3: Cross multiply
    38,164.45x = 57,184.40 × 19,418.70
  4. Step 4: Simplify right side
    38,164.45x = 1,110,446,835.86
  5. Step 5: Solve for x
    x = 1,110,446,835.86/38,164.45
  6. Step 6: Final answer
    x = 29,096.36

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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.