Home / 57,819.39-86,742.89-18,376.57

Finding the Fourth Proportional to 57,819.39, 86,742.89 and 18,376.57

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Solution

The fourth proportional to 57,819.39, 86,742.89 and 18,376.57 is: 27,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,819.39 : 86,742.89 = 18,376.57 : x
  2. Step 2: Convert to fraction form
    57,819.39/86,742.89 = 18,376.57/x
  3. Step 3: Cross multiply
    57,819.39x = 86,742.89 × 18,376.57
  4. Step 4: Simplify right side
    57,819.39x = 1,594,036,790.09
  5. Step 5: Solve for x
    x = 1,594,036,790.09/57,819.39
  6. Step 6: Final answer
    x = 27,569.24

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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.