Home / 30,345.39-41,876.82-16,917.50

Finding the Fourth Proportional to 30,345.39, 41,876.82 and 16,917.50

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Solution

The fourth proportional to 30,345.39, 41,876.82 and 16,917.50 is: 23,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,345.39 : 41,876.82 = 16,917.50 : x
  2. Step 2: Convert to fraction form
    30,345.39/41,876.82 = 16,917.50/x
  3. Step 3: Cross multiply
    30,345.39x = 41,876.82 × 16,917.50
  4. Step 4: Simplify right side
    30,345.39x = 708,451,102.35
  5. Step 5: Solve for x
    x = 708,451,102.35/30,345.39
  6. Step 6: Final answer
    x = 23,346.25

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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.