Home / 39,195.56-58,802.16-12,899.36

Finding the Fourth Proportional to 39,195.56, 58,802.16 and 12,899.36

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Solution

The fourth proportional to 39,195.56, 58,802.16 and 12,899.36 is: 19,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,195.56 : 58,802.16 = 12,899.36 : x
  2. Step 2: Convert to fraction form
    39,195.56/58,802.16 = 12,899.36/x
  3. Step 3: Cross multiply
    39,195.56x = 58,802.16 × 12,899.36
  4. Step 4: Simplify right side
    39,195.56x = 758,510,230.62
  5. Step 5: Solve for x
    x = 758,510,230.62/39,195.56
  6. Step 6: Final answer
    x = 19,351.94

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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.