Home / 57,017.37-85,496.89-30,378.34

Finding the Fourth Proportional to 57,017.37, 85,496.89 and 30,378.34

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Solution

The fourth proportional to 57,017.37, 85,496.89 and 30,378.34 is: 45,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,017.37 : 85,496.89 = 30,378.34 : x
  2. Step 2: Convert to fraction form
    57,017.37/85,496.89 = 30,378.34/x
  3. Step 3: Cross multiply
    57,017.37x = 85,496.89 × 30,378.34
  4. Step 4: Simplify right side
    57,017.37x = 2,597,253,766.69
  5. Step 5: Solve for x
    x = 2,597,253,766.69/57,017.37
  6. Step 6: Final answer
    x = 45,551.98

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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.