Home / 35,309.76-52,986.52-20,525.64

Finding the Fourth Proportional to 35,309.76, 52,986.52 and 20,525.64

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Solution

The fourth proportional to 35,309.76, 52,986.52 and 20,525.64 is: 30,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.76 : 52,986.52 = 20,525.64 : x
  2. Step 2: Convert to fraction form
    35,309.76/52,986.52 = 20,525.64/x
  3. Step 3: Cross multiply
    35,309.76x = 52,986.52 × 20,525.64
  4. Step 4: Simplify right side
    35,309.76x = 1,087,582,234.37
  5. Step 5: Solve for x
    x = 1,087,582,234.37/35,309.76
  6. Step 6: Final answer
    x = 30,801.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.