Home / 30,219.67-41,702.91-16,790.68

Finding the Fourth Proportional to 30,219.67, 41,702.91 and 16,790.68

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Solution

The fourth proportional to 30,219.67, 41,702.91 and 16,790.68 is: 23,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.67 : 41,702.91 = 16,790.68 : x
  2. Step 2: Convert to fraction form
    30,219.67/41,702.91 = 16,790.68/x
  3. Step 3: Cross multiply
    30,219.67x = 41,702.91 × 16,790.68
  4. Step 4: Simplify right side
    30,219.67x = 700,220,216.88
  5. Step 5: Solve for x
    x = 700,220,216.88/30,219.67
  6. Step 6: Final answer
    x = 23,171.01

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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.