Home / 30,131.04-41,579.34-16,702.20

Finding the Fourth Proportional to 30,131.04, 41,579.34 and 16,702.20

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Solution

The fourth proportional to 30,131.04, 41,579.34 and 16,702.20 is: 23,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131.04 : 41,579.34 = 16,702.20 : x
  2. Step 2: Convert to fraction form
    30,131.04/41,579.34 = 16,702.20/x
  3. Step 3: Cross multiply
    30,131.04x = 41,579.34 × 16,702.20
  4. Step 4: Simplify right side
    30,131.04x = 694,466,452.55
  5. Step 5: Solve for x
    x = 694,466,452.55/30,131.04
  6. Step 6: Final answer
    x = 23,048.21

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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.