Home / 30,198.07-41,677.17-18,261.49

Finding the Fourth Proportional to 30,198.07, 41,677.17 and 18,261.49

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Solution

The fourth proportional to 30,198.07, 41,677.17 and 18,261.49 is: 25,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,198.07 : 41,677.17 = 18,261.49 : x
  2. Step 2: Convert to fraction form
    30,198.07/41,677.17 = 18,261.49/x
  3. Step 3: Cross multiply
    30,198.07x = 41,677.17 × 18,261.49
  4. Step 4: Simplify right side
    30,198.07x = 761,087,223.18
  5. Step 5: Solve for x
    x = 761,087,223.18/30,198.07
  6. Step 6: Final answer
    x = 25,203.17

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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.