Home / 57,022.80-85,509.74-19,586.64

Finding the Fourth Proportional to 57,022.80, 85,509.74 and 19,586.64

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Solution

The fourth proportional to 57,022.80, 85,509.74 and 19,586.64 is: 29,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,022.80 : 85,509.74 = 19,586.64 : x
  2. Step 2: Convert to fraction form
    57,022.80/85,509.74 = 19,586.64/x
  3. Step 3: Cross multiply
    57,022.80x = 85,509.74 × 19,586.64
  4. Step 4: Simplify right side
    57,022.80x = 1,674,848,395.94
  5. Step 5: Solve for x
    x = 1,674,848,395.94/57,022.80
  6. Step 6: Final answer
    x = 29,371.56

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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.