Home / 40,121.00-55,365.71-23,125.31

Finding the Fourth Proportional to 40,121.00, 55,365.71 and 23,125.31

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Solution

The fourth proportional to 40,121.00, 55,365.71 and 23,125.31 is: 31,912.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,121.00 : 55,365.71 = 23,125.31 : x
  2. Step 2: Convert to fraction form
    40,121.00/55,365.71 = 23,125.31/x
  3. Step 3: Cross multiply
    40,121.00x = 55,365.71 × 23,125.31
  4. Step 4: Simplify right side
    40,121.00x = 1,280,348,814.67
  5. Step 5: Solve for x
    x = 1,280,348,814.67/40,121.00
  6. Step 6: Final answer
    x = 31,912.19

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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.