Home / 30,201.76-41,678.96-16,774.26

Finding the Fourth Proportional to 30,201.76, 41,678.96 and 16,774.26

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Solution

The fourth proportional to 30,201.76, 41,678.96 and 16,774.26 is: 23,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,201.76 : 41,678.96 = 16,774.26 : x
  2. Step 2: Convert to fraction form
    30,201.76/41,678.96 = 16,774.26/x
  3. Step 3: Cross multiply
    30,201.76x = 41,678.96 × 16,774.26
  4. Step 4: Simplify right side
    30,201.76x = 699,133,471.40
  5. Step 5: Solve for x
    x = 699,133,471.40/30,201.76
  6. Step 6: Final answer
    x = 23,148.76

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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.