Home / 38,091.48-57,120.93-11,790.06

Finding the Fourth Proportional to 38,091.48, 57,120.93 and 11,790.06

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Solution

The fourth proportional to 38,091.48, 57,120.93 and 11,790.06 is: 17,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,091.48 : 57,120.93 = 11,790.06 : x
  2. Step 2: Convert to fraction form
    38,091.48/57,120.93 = 11,790.06/x
  3. Step 3: Cross multiply
    38,091.48x = 57,120.93 × 11,790.06
  4. Step 4: Simplify right side
    38,091.48x = 673,459,191.96
  5. Step 5: Solve for x
    x = 673,459,191.96/38,091.48
  6. Step 6: Final answer
    x = 17,680.05

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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.