Home / 30,514.54-42,110.13-17,086.36

Finding the Fourth Proportional to 30,514.54, 42,110.13 and 17,086.36

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Solution

The fourth proportional to 30,514.54, 42,110.13 and 17,086.36 is: 23,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,514.54 : 42,110.13 = 17,086.36 : x
  2. Step 2: Convert to fraction form
    30,514.54/42,110.13 = 17,086.36/x
  3. Step 3: Cross multiply
    30,514.54x = 42,110.13 × 17,086.36
  4. Step 4: Simplify right side
    30,514.54x = 719,508,782.47
  5. Step 5: Solve for x
    x = 719,508,782.47/30,514.54
  6. Step 6: Final answer
    x = 23,579.21

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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.