Home / 38,705.60-58,057.16-11,003.60

Finding the Fourth Proportional to 38,705.60, 58,057.16 and 11,003.60

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Solution

The fourth proportional to 38,705.60, 58,057.16 and 11,003.60 is: 16,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,705.60 : 58,057.16 = 11,003.60 : x
  2. Step 2: Convert to fraction form
    38,705.60/58,057.16 = 11,003.60/x
  3. Step 3: Cross multiply
    38,705.60x = 58,057.16 × 11,003.60
  4. Step 4: Simplify right side
    38,705.60x = 638,837,765.78
  5. Step 5: Solve for x
    x = 638,837,765.78/38,705.60
  6. Step 6: Final answer
    x = 16,505.05

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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.