Home / 39,719.78-54,790.43-23,795.01

Finding the Fourth Proportional to 39,719.78, 54,790.43 and 23,795.01

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Solution

The fourth proportional to 39,719.78, 54,790.43 and 23,795.01 is: 32,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,719.78 : 54,790.43 = 23,795.01 : x
  2. Step 2: Convert to fraction form
    39,719.78/54,790.43 = 23,795.01/x
  3. Step 3: Cross multiply
    39,719.78x = 54,790.43 × 23,795.01
  4. Step 4: Simplify right side
    39,719.78x = 1,303,738,710.78
  5. Step 5: Solve for x
    x = 1,303,738,710.78/39,719.78
  6. Step 6: Final answer
    x = 32,823.41

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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.