Home / 57,296.30-85,923.86-19,846.28

Finding the Fourth Proportional to 57,296.30, 85,923.86 and 19,846.28

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Solution

The fourth proportional to 57,296.30, 85,923.86 and 19,846.28 is: 29,762.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,296.30 : 85,923.86 = 19,846.28 : x
  2. Step 2: Convert to fraction form
    57,296.30/85,923.86 = 19,846.28/x
  3. Step 3: Cross multiply
    57,296.30x = 85,923.86 × 19,846.28
  4. Step 4: Simplify right side
    57,296.30x = 1,705,268,984.24
  5. Step 5: Solve for x
    x = 1,705,268,984.24/57,296.30
  6. Step 6: Final answer
    x = 29,762.29

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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.