Home / 30,203.87-41,679.54-16,774.79

Finding the Fourth Proportional to 30,203.87, 41,679.54 and 16,774.79

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Solution

The fourth proportional to 30,203.87, 41,679.54 and 16,774.79 is: 23,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.87 : 41,679.54 = 16,774.79 : x
  2. Step 2: Convert to fraction form
    30,203.87/41,679.54 = 16,774.79/x
  3. Step 3: Cross multiply
    30,203.87x = 41,679.54 × 16,774.79
  4. Step 4: Simplify right side
    30,203.87x = 699,165,322.40
  5. Step 5: Solve for x
    x = 699,165,322.40/30,203.87
  6. Step 6: Final answer
    x = 23,148.21

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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.