Home / 30,321.17-41,843.55-16,893.20

Finding the Fourth Proportional to 30,321.17, 41,843.55 and 16,893.20

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Solution

The fourth proportional to 30,321.17, 41,843.55 and 16,893.20 is: 23,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.17 : 41,843.55 = 16,893.20 : x
  2. Step 2: Convert to fraction form
    30,321.17/41,843.55 = 16,893.20/x
  3. Step 3: Cross multiply
    30,321.17x = 41,843.55 × 16,893.20
  4. Step 4: Simplify right side
    30,321.17x = 706,871,458.86
  5. Step 5: Solve for x
    x = 706,871,458.86/30,321.17
  6. Step 6: Final answer
    x = 23,312.80

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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.