Home / 30,388.02-41,937.57-16,961.90

Finding the Fourth Proportional to 30,388.02, 41,937.57 and 16,961.90

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Solution

The fourth proportional to 30,388.02, 41,937.57 and 16,961.90 is: 23,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,388.02 : 41,937.57 = 16,961.90 : x
  2. Step 2: Convert to fraction form
    30,388.02/41,937.57 = 16,961.90/x
  3. Step 3: Cross multiply
    30,388.02x = 41,937.57 × 16,961.90
  4. Step 4: Simplify right side
    30,388.02x = 711,340,658.90
  5. Step 5: Solve for x
    x = 711,340,658.90/30,388.02
  6. Step 6: Final answer
    x = 23,408.59

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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.