Home / 38,003.60-57,005.40-10,301.60

Finding the Fourth Proportional to 38,003.60, 57,005.40 and 10,301.60

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Solution

The fourth proportional to 38,003.60, 57,005.40 and 10,301.60 is: 15,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.60 : 57,005.40 = 10,301.60 : x
  2. Step 2: Convert to fraction form
    38,003.60/57,005.40 = 10,301.60/x
  3. Step 3: Cross multiply
    38,003.60x = 57,005.40 × 10,301.60
  4. Step 4: Simplify right side
    38,003.60x = 587,246,828.64
  5. Step 5: Solve for x
    x = 587,246,828.64/38,003.60
  6. Step 6: Final answer
    x = 15,452.40

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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.