Home / 30,556.08-42,169.68-17,127.36

Finding the Fourth Proportional to 30,556.08, 42,169.68 and 17,127.36

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Solution

The fourth proportional to 30,556.08, 42,169.68 and 17,127.36 is: 23,637.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556.08 : 42,169.68 = 17,127.36 : x
  2. Step 2: Convert to fraction form
    30,556.08/42,169.68 = 17,127.36/x
  3. Step 3: Cross multiply
    30,556.08x = 42,169.68 × 17,127.36
  4. Step 4: Simplify right side
    30,556.08x = 722,255,290.44
  5. Step 5: Solve for x
    x = 722,255,290.44/30,556.08
  6. Step 6: Final answer
    x = 23,637.04

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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.