Home / 39,145.23-54,065.31-25,776.27

Finding the Fourth Proportional to 39,145.23, 54,065.31 and 25,776.27

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Solution

The fourth proportional to 39,145.23, 54,065.31 and 25,776.27 is: 35,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,145.23 : 54,065.31 = 25,776.27 : x
  2. Step 2: Convert to fraction form
    39,145.23/54,065.31 = 25,776.27/x
  3. Step 3: Cross multiply
    39,145.23x = 54,065.31 × 25,776.27
  4. Step 4: Simplify right side
    39,145.23x = 1,393,602,028.19
  5. Step 5: Solve for x
    x = 1,393,602,028.19/39,145.23
  6. Step 6: Final answer
    x = 35,600.81

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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.