Home / 30,128.52-41,577.48-16,699.08

Finding the Fourth Proportional to 30,128.52, 41,577.48 and 16,699.08

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Solution

The fourth proportional to 30,128.52, 41,577.48 and 16,699.08 is: 23,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,128.52 : 41,577.48 = 16,699.08 : x
  2. Step 2: Convert to fraction form
    30,128.52/41,577.48 = 16,699.08/x
  3. Step 3: Cross multiply
    30,128.52x = 41,577.48 × 16,699.08
  4. Step 4: Simplify right side
    30,128.52x = 694,305,664.72
  5. Step 5: Solve for x
    x = 694,305,664.72/30,128.52
  6. Step 6: Final answer
    x = 23,044.80

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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.