Home / 30,604.58-42,233.22-17,176.40

Finding the Fourth Proportional to 30,604.58, 42,233.22 and 17,176.40

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Solution

The fourth proportional to 30,604.58, 42,233.22 and 17,176.40 is: 23,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,604.58 : 42,233.22 = 17,176.40 : x
  2. Step 2: Convert to fraction form
    30,604.58/42,233.22 = 17,176.40/x
  3. Step 3: Cross multiply
    30,604.58x = 42,233.22 × 17,176.40
  4. Step 4: Simplify right side
    30,604.58x = 725,414,468.84
  5. Step 5: Solve for x
    x = 725,414,468.84/30,604.58
  6. Step 6: Final answer
    x = 23,702.81

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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.