Home / 57,059.40-85,625.83-30,782.28

Finding the Fourth Proportional to 57,059.40, 85,625.83 and 30,782.28

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Solution

The fourth proportional to 57,059.40, 85,625.83 and 30,782.28 is: 46,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,059.40 : 85,625.83 = 30,782.28 : x
  2. Step 2: Convert to fraction form
    57,059.40/85,625.83 = 30,782.28/x
  3. Step 3: Cross multiply
    57,059.40x = 85,625.83 × 30,782.28
  4. Step 4: Simplify right side
    57,059.40x = 2,635,758,460.72
  5. Step 5: Solve for x
    x = 2,635,758,460.72/57,059.40
  6. Step 6: Final answer
    x = 46,193.24

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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.