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Finding the Fourth Proportional to 30,130.63, 41,579.11 and 16,702.09

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Solution

The fourth proportional to 30,130.63, 41,579.11 and 16,702.09 is: 23,048.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.63 : 41,579.11 = 16,702.09 : x
  2. Step 2: Convert to fraction form
    30,130.63/41,579.11 = 16,702.09/x
  3. Step 3: Cross multiply
    30,130.63x = 41,579.11 × 16,702.09
  4. Step 4: Simplify right side
    30,130.63x = 694,458,037.34
  5. Step 5: Solve for x
    x = 694,458,037.34/30,130.63
  6. Step 6: Final answer
    x = 23,048.24

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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.