Home / 30,261.48-41,755.78-16,830.96

Finding the Fourth Proportional to 30,261.48, 41,755.78 and 16,830.96

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Solution

The fourth proportional to 30,261.48, 41,755.78 and 16,830.96 is: 23,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,261.48 : 41,755.78 = 16,830.96 : x
  2. Step 2: Convert to fraction form
    30,261.48/41,755.78 = 16,830.96/x
  3. Step 3: Cross multiply
    30,261.48x = 41,755.78 × 16,830.96
  4. Step 4: Simplify right side
    30,261.48x = 702,789,862.95
  5. Step 5: Solve for x
    x = 702,789,862.95/30,261.48
  6. Step 6: Final answer
    x = 23,223.91

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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.