Home / 30,601.94-42,232.29-17,172.50

Finding the Fourth Proportional to 30,601.94, 42,232.29 and 17,172.50

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Solution

The fourth proportional to 30,601.94, 42,232.29 and 17,172.50 is: 23,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,601.94 : 42,232.29 = 17,172.50 : x
  2. Step 2: Convert to fraction form
    30,601.94/42,232.29 = 17,172.50/x
  3. Step 3: Cross multiply
    30,601.94x = 42,232.29 × 17,172.50
  4. Step 4: Simplify right side
    30,601.94x = 725,234,000.03
  5. Step 5: Solve for x
    x = 725,234,000.03/30,601.94
  6. Step 6: Final answer
    x = 23,698.96

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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.