Home / 30,348.36-41,880.78-17,603.96

Finding the Fourth Proportional to 30,348.36, 41,880.78 and 17,603.96

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Solution

The fourth proportional to 30,348.36, 41,880.78 and 17,603.96 is: 24,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348.36 : 41,880.78 = 17,603.96 : x
  2. Step 2: Convert to fraction form
    30,348.36/41,880.78 = 17,603.96/x
  3. Step 3: Cross multiply
    30,348.36x = 41,880.78 × 17,603.96
  4. Step 4: Simplify right side
    30,348.36x = 737,267,366.48
  5. Step 5: Solve for x
    x = 737,267,366.48/30,348.36
  6. Step 6: Final answer
    x = 24,293.48

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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.