Home / 68,937.08-103,406.22-19,020.02

Finding the Fourth Proportional to 68,937.08, 103,406.22 and 19,020.02

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Solution

The fourth proportional to 68,937.08, 103,406.22 and 19,020.02 is: 28,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,937.08 : 103,406.22 = 19,020.02 : x
  2. Step 2: Convert to fraction form
    68,937.08/103,406.22 = 19,020.02/x
  3. Step 3: Cross multiply
    68,937.08x = 103,406.22 × 19,020.02
  4. Step 4: Simplify right side
    68,937.08x = 1,966,787,855.49
  5. Step 5: Solve for x
    x = 1,966,787,855.49/68,937.08
  6. Step 6: Final answer
    x = 28,530.19

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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.