Home / 79,083.27-118,616.13-19,918.94

Finding the Fourth Proportional to 79,083.27, 118,616.13 and 19,918.94

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Solution

The fourth proportional to 79,083.27, 118,616.13 and 19,918.94 is: 29,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.27 : 118,616.13 = 19,918.94 : x
  2. Step 2: Convert to fraction form
    79,083.27/118,616.13 = 19,918.94/x
  3. Step 3: Cross multiply
    79,083.27x = 118,616.13 × 19,918.94
  4. Step 4: Simplify right side
    79,083.27x = 2,362,706,983.42
  5. Step 5: Solve for x
    x = 2,362,706,983.42/79,083.27
  6. Step 6: Final answer
    x = 29,876.19

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1.5x scale

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.