Home / 36,069.03-54,098.08-12,690

Finding the Fourth Proportional to 36,069.03, 54,098.08 and 12,690

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Solution

The fourth proportional to 36,069.03, 54,098.08 and 12,690 is: 19,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069.03 : 54,098.08 = 12,690 : x
  2. Step 2: Convert to fraction form
    36,069.03/54,098.08 = 12,690/x
  3. Step 3: Cross multiply
    36,069.03x = 54,098.08 × 12,690
  4. Step 4: Simplify right side
    36,069.03x = 686,504,603.48
  5. Step 5: Solve for x
    x = 686,504,603.48/36,069.03
  6. Step 6: Final answer
    x = 19,033.08

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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.