Home / 38,018.60-57,027.90-10,316.60

Finding the Fourth Proportional to 38,018.60, 57,027.90 and 10,316.60

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Solution

The fourth proportional to 38,018.60, 57,027.90 and 10,316.60 is: 15,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,018.60 : 57,027.90 = 10,316.60 : x
  2. Step 2: Convert to fraction form
    38,018.60/57,027.90 = 10,316.60/x
  3. Step 3: Cross multiply
    38,018.60x = 57,027.90 × 10,316.60
  4. Step 4: Simplify right side
    38,018.60x = 588,334,033.14
  5. Step 5: Solve for x
    x = 588,334,033.14/38,018.60
  6. Step 6: Final answer
    x = 15,474.90

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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.