Home / 30,078.54-41,509.62-16,649.55

Finding the Fourth Proportional to 30,078.54, 41,509.62 and 16,649.55

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Solution

The fourth proportional to 30,078.54, 41,509.62 and 16,649.55 is: 22,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.54 : 41,509.62 = 16,649.55 : x
  2. Step 2: Convert to fraction form
    30,078.54/41,509.62 = 16,649.55/x
  3. Step 3: Cross multiply
    30,078.54x = 41,509.62 × 16,649.55
  4. Step 4: Simplify right side
    30,078.54x = 691,116,493.67
  5. Step 5: Solve for x
    x = 691,116,493.67/30,078.54
  6. Step 6: Final answer
    x = 22,977.06

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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.