Home / 30,220.02-41,701.17-16,789.62

Finding the Fourth Proportional to 30,220.02, 41,701.17 and 16,789.62

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Solution

The fourth proportional to 30,220.02, 41,701.17 and 16,789.62 is: 23,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.02 : 41,701.17 = 16,789.62 : x
  2. Step 2: Convert to fraction form
    30,220.02/41,701.17 = 16,789.62/x
  3. Step 3: Cross multiply
    30,220.02x = 41,701.17 × 16,789.62
  4. Step 4: Simplify right side
    30,220.02x = 700,146,797.86
  5. Step 5: Solve for x
    x = 700,146,797.86/30,220.02
  6. Step 6: Final answer
    x = 23,168.31

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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.