Home / 36,719.12-55,070.66-16,978.98

Finding the Fourth Proportional to 36,719.12, 55,070.66 and 16,978.98

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Solution

The fourth proportional to 36,719.12, 55,070.66 and 16,978.98 is: 25,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,719.12 : 55,070.66 = 16,978.98 : x
  2. Step 2: Convert to fraction form
    36,719.12/55,070.66 = 16,978.98/x
  3. Step 3: Cross multiply
    36,719.12x = 55,070.66 × 16,978.98
  4. Step 4: Simplify right side
    36,719.12x = 935,043,634.73
  5. Step 5: Solve for x
    x = 935,043,634.73/36,719.12
  6. Step 6: Final answer
    x = 25,464.76

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1.5x scale

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.