Home / 30,561.70-45,633.46-27,378.60

Finding the Fourth Proportional to 30,561.70, 45,633.46 and 27,378.60

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Solution

The fourth proportional to 30,561.70, 45,633.46 and 27,378.60 is: 40,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.70 : 45,633.46 = 27,378.60 : x
  2. Step 2: Convert to fraction form
    30,561.70/45,633.46 = 27,378.60/x
  3. Step 3: Cross multiply
    30,561.70x = 45,633.46 × 27,378.60
  4. Step 4: Simplify right side
    30,561.70x = 1,249,380,247.96
  5. Step 5: Solve for x
    x = 1,249,380,247.96/30,561.70
  6. Step 6: Final answer
    x = 40,880.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.