Home / 30,843.69-42,556.64-18,098.07

Finding the Fourth Proportional to 30,843.69, 42,556.64 and 18,098.07

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Solution

The fourth proportional to 30,843.69, 42,556.64 and 18,098.07 is: 24,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843.69 : 42,556.64 = 18,098.07 : x
  2. Step 2: Convert to fraction form
    30,843.69/42,556.64 = 18,098.07/x
  3. Step 3: Cross multiply
    30,843.69x = 42,556.64 × 18,098.07
  4. Step 4: Simplify right side
    30,843.69x = 770,192,959.19
  5. Step 5: Solve for x
    x = 770,192,959.19/30,843.69
  6. Step 6: Final answer
    x = 24,970.84

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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.