Home / 30,081.16-41,512.08-16,652.80

Finding the Fourth Proportional to 30,081.16, 41,512.08 and 16,652.80

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Solution

The fourth proportional to 30,081.16, 41,512.08 and 16,652.80 is: 22,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.16 : 41,512.08 = 16,652.80 : x
  2. Step 2: Convert to fraction form
    30,081.16/41,512.08 = 16,652.80/x
  3. Step 3: Cross multiply
    30,081.16x = 41,512.08 × 16,652.80
  4. Step 4: Simplify right side
    30,081.16x = 691,292,365.82
  5. Step 5: Solve for x
    x = 691,292,365.82/30,081.16
  6. Step 6: Final answer
    x = 22,980.91

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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.