Home / 35,131.56-48,481.20-19,216.32

Finding the Fourth Proportional to 35,131.56, 48,481.20 and 19,216.32

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Solution

The fourth proportional to 35,131.56, 48,481.20 and 19,216.32 is: 26,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.56 : 48,481.20 = 19,216.32 : x
  2. Step 2: Convert to fraction form
    35,131.56/48,481.20 = 19,216.32/x
  3. Step 3: Cross multiply
    35,131.56x = 48,481.20 × 19,216.32
  4. Step 4: Simplify right side
    35,131.56x = 931,630,253.18
  5. Step 5: Solve for x
    x = 931,630,253.18/35,131.56
  6. Step 6: Final answer
    x = 26,518.33

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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.