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Finding the Fourth Proportional to 30,917.03, 46,334.53 and 16,840.95

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Solution

The fourth proportional to 30,917.03, 46,334.53 and 16,840.95 is: 25,239.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917.03 : 46,334.53 = 16,840.95 : x
  2. Step 2: Convert to fraction form
    30,917.03/46,334.53 = 16,840.95/x
  3. Step 3: Cross multiply
    30,917.03x = 46,334.53 × 16,840.95
  4. Step 4: Simplify right side
    30,917.03x = 780,317,503.00
  5. Step 5: Solve for x
    x = 780,317,503.00/30,917.03
  6. Step 6: Final answer
    x = 25,239.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.