Home / 39,102.46-58,647.75-12,806.62

Finding the Fourth Proportional to 39,102.46, 58,647.75 and 12,806.62

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Solution

The fourth proportional to 39,102.46, 58,647.75 and 12,806.62 is: 19,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.46 : 58,647.75 = 12,806.62 : x
  2. Step 2: Convert to fraction form
    39,102.46/58,647.75 = 12,806.62/x
  3. Step 3: Cross multiply
    39,102.46x = 58,647.75 × 12,806.62
  4. Step 4: Simplify right side
    39,102.46x = 751,079,448.11
  5. Step 5: Solve for x
    x = 751,079,448.11/39,102.46
  6. Step 6: Final answer
    x = 19,207.98

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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.