Home / 30,619.97-42,252.80-17,874.26

Finding the Fourth Proportional to 30,619.97, 42,252.80 and 17,874.26

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Solution

The fourth proportional to 30,619.97, 42,252.80 and 17,874.26 is: 24,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,619.97 : 42,252.80 = 17,874.26 : x
  2. Step 2: Convert to fraction form
    30,619.97/42,252.80 = 17,874.26/x
  3. Step 3: Cross multiply
    30,619.97x = 42,252.80 × 17,874.26
  4. Step 4: Simplify right side
    30,619.97x = 755,237,532.93
  5. Step 5: Solve for x
    x = 755,237,532.93/30,619.97
  6. Step 6: Final answer
    x = 24,664.87

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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.