Home / 29,695.68-40,980.60-17,768.16

Finding the Fourth Proportional to 29,695.68, 40,980.60 and 17,768.16

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Solution

The fourth proportional to 29,695.68, 40,980.60 and 17,768.16 is: 24,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,695.68 : 40,980.60 = 17,768.16 : x
  2. Step 2: Convert to fraction form
    29,695.68/40,980.60 = 17,768.16/x
  3. Step 3: Cross multiply
    29,695.68x = 40,980.60 × 17,768.16
  4. Step 4: Simplify right side
    29,695.68x = 728,149,857.70
  5. Step 5: Solve for x
    x = 728,149,857.70/29,695.68
  6. Step 6: Final answer
    x = 24,520.40

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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.