Home / 30,336.34-41,837.97-19,722.10

Finding the Fourth Proportional to 30,336.34, 41,837.97 and 19,722.10

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Solution

The fourth proportional to 30,336.34, 41,837.97 and 19,722.10 is: 27,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336.34 : 41,837.97 = 19,722.10 : x
  2. Step 2: Convert to fraction form
    30,336.34/41,837.97 = 19,722.10/x
  3. Step 3: Cross multiply
    30,336.34x = 41,837.97 × 19,722.10
  4. Step 4: Simplify right side
    30,336.34x = 825,132,628.14
  5. Step 5: Solve for x
    x = 825,132,628.14/30,336.34
  6. Step 6: Final answer
    x = 27,199.48

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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.