Home / 38,103.04-57,146.88-11,801.44

Finding the Fourth Proportional to 38,103.04, 57,146.88 and 11,801.44

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Solution

The fourth proportional to 38,103.04, 57,146.88 and 11,801.44 is: 17,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.04 : 57,146.88 = 11,801.44 : x
  2. Step 2: Convert to fraction form
    38,103.04/57,146.88 = 11,801.44/x
  3. Step 3: Cross multiply
    38,103.04x = 57,146.88 × 11,801.44
  4. Step 4: Simplify right side
    38,103.04x = 674,415,475.51
  5. Step 5: Solve for x
    x = 674,415,475.51/38,103.04
  6. Step 6: Final answer
    x = 17,699.78

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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.