Home / 51,700.64-77,539.44-20,527.52

Finding the Fourth Proportional to 51,700.64, 77,539.44 and 20,527.52

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Solution

The fourth proportional to 51,700.64, 77,539.44 and 20,527.52 is: 30,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,700.64 : 77,539.44 = 20,527.52 : x
  2. Step 2: Convert to fraction form
    51,700.64/77,539.44 = 20,527.52/x
  3. Step 3: Cross multiply
    51,700.64x = 77,539.44 × 20,527.52
  4. Step 4: Simplify right side
    51,700.64x = 1,591,692,405.39
  5. Step 5: Solve for x
    x = 1,591,692,405.39/51,700.64
  6. Step 6: Final answer
    x = 30,786.71

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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.