Home / 39,726.62-54,777.80-25,367.57

Finding the Fourth Proportional to 39,726.62, 54,777.80 and 25,367.57

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Solution

The fourth proportional to 39,726.62, 54,777.80 and 25,367.57 is: 34,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,726.62 : 54,777.80 = 25,367.57 : x
  2. Step 2: Convert to fraction form
    39,726.62/54,777.80 = 25,367.57/x
  3. Step 3: Cross multiply
    39,726.62x = 54,777.80 × 25,367.57
  4. Step 4: Simplify right side
    39,726.62x = 1,389,579,465.48
  5. Step 5: Solve for x
    x = 1,389,579,465.48/39,726.62
  6. Step 6: Final answer
    x = 34,978.55

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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.