Home / 39,087.66-58,609.62-12,785.34

Finding the Fourth Proportional to 39,087.66, 58,609.62 and 12,785.34

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Solution

The fourth proportional to 39,087.66, 58,609.62 and 12,785.34 is: 19,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087.66 : 58,609.62 = 12,785.34 : x
  2. Step 2: Convert to fraction form
    39,087.66/58,609.62 = 12,785.34/x
  3. Step 3: Cross multiply
    39,087.66x = 58,609.62 × 12,785.34
  4. Step 4: Simplify right side
    39,087.66x = 749,343,918.97
  5. Step 5: Solve for x
    x = 749,343,918.97/39,087.66
  6. Step 6: Final answer
    x = 19,170.86

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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.