Home / 40,485.06-55,896.90-26,179.50

Finding the Fourth Proportional to 40,485.06, 55,896.90 and 26,179.50

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Solution

The fourth proportional to 40,485.06, 55,896.90 and 26,179.50 is: 36,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485.06 : 55,896.90 = 26,179.50 : x
  2. Step 2: Convert to fraction form
    40,485.06/55,896.90 = 26,179.50/x
  3. Step 3: Cross multiply
    40,485.06x = 55,896.90 × 26,179.50
  4. Step 4: Simplify right side
    40,485.06x = 1,463,352,893.55
  5. Step 5: Solve for x
    x = 1,463,352,893.55/40,485.06
  6. Step 6: Final answer
    x = 36,145.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.