Home / 39,104.17-58,665.36-12,807.32

Finding the Fourth Proportional to 39,104.17, 58,665.36 and 12,807.32

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Solution

The fourth proportional to 39,104.17, 58,665.36 and 12,807.32 is: 19,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,104.17 : 58,665.36 = 12,807.32 : x
  2. Step 2: Convert to fraction form
    39,104.17/58,665.36 = 12,807.32/x
  3. Step 3: Cross multiply
    39,104.17x = 58,665.36 × 12,807.32
  4. Step 4: Simplify right side
    39,104.17x = 751,345,793.14
  5. Step 5: Solve for x
    x = 751,345,793.14/39,104.17
  6. Step 6: Final answer
    x = 19,213.96

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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.