Home / 30,167.30-41,603.62-18,837.84

Finding the Fourth Proportional to 30,167.30, 41,603.62 and 18,837.84

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Solution

The fourth proportional to 30,167.30, 41,603.62 and 18,837.84 is: 25,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167.30 : 41,603.62 = 18,837.84 : x
  2. Step 2: Convert to fraction form
    30,167.30/41,603.62 = 18,837.84/x
  3. Step 3: Cross multiply
    30,167.30x = 41,603.62 × 18,837.84
  4. Step 4: Simplify right side
    30,167.30x = 783,722,336.98
  5. Step 5: Solve for x
    x = 783,722,336.98/30,167.30
  6. Step 6: Final answer
    x = 25,979.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.