Home / 39,055.56-53,889.48-23,145

Finding the Fourth Proportional to 39,055.56, 53,889.48 and 23,145

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Solution

The fourth proportional to 39,055.56, 53,889.48 and 23,145 is: 31,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,055.56 : 53,889.48 = 23,145 : x
  2. Step 2: Convert to fraction form
    39,055.56/53,889.48 = 23,145/x
  3. Step 3: Cross multiply
    39,055.56x = 53,889.48 × 23,145
  4. Step 4: Simplify right side
    39,055.56x = 1,247,272,014.60
  5. Step 5: Solve for x
    x = 1,247,272,014.60/39,055.56
  6. Step 6: Final answer
    x = 31,935.84

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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.