Home / 30,081.12-41,518.62-17,513.16

Finding the Fourth Proportional to 30,081.12, 41,518.62 and 17,513.16

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Solution

The fourth proportional to 30,081.12, 41,518.62 and 17,513.16 is: 24,172.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.12 : 41,518.62 = 17,513.16 : x
  2. Step 2: Convert to fraction form
    30,081.12/41,518.62 = 17,513.16/x
  3. Step 3: Cross multiply
    30,081.12x = 41,518.62 × 17,513.16
  4. Step 4: Simplify right side
    30,081.12x = 727,122,235.04
  5. Step 5: Solve for x
    x = 727,122,235.04/30,081.12
  6. Step 6: Final answer
    x = 24,172.05

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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.