Home / 30,601.37-42,229.77-17,172.59

Finding the Fourth Proportional to 30,601.37, 42,229.77 and 17,172.59

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Solution

The fourth proportional to 30,601.37, 42,229.77 and 17,172.59 is: 23,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.37 : 42,229.77 = 17,172.59 : x
  2. Step 2: Convert to fraction form
    30,601.37/42,229.77 = 17,172.59/x
  3. Step 3: Cross multiply
    30,601.37x = 42,229.77 × 17,172.59
  4. Step 4: Simplify right side
    30,601.37x = 725,194,631.58
  5. Step 5: Solve for x
    x = 725,194,631.58/30,601.37
  6. Step 6: Final answer
    x = 23,698.11

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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.