Home / 39,272.64-58,914.42-12,619.42

Finding the Fourth Proportional to 39,272.64, 58,914.42 and 12,619.42

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Solution

The fourth proportional to 39,272.64, 58,914.42 and 12,619.42 is: 18,930.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.64 : 58,914.42 = 12,619.42 : x
  2. Step 2: Convert to fraction form
    39,272.64/58,914.42 = 12,619.42/x
  3. Step 3: Cross multiply
    39,272.64x = 58,914.42 × 12,619.42
  4. Step 4: Simplify right side
    39,272.64x = 743,465,810.04
  5. Step 5: Solve for x
    x = 743,465,810.04/39,272.64
  6. Step 6: Final answer
    x = 18,930.89

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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.