Home / 37,157.25-51,277.01-20,391.33

Finding the Fourth Proportional to 37,157.25, 51,277.01 and 20,391.33

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Solution

The fourth proportional to 37,157.25, 51,277.01 and 20,391.33 is: 28,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,157.25 : 51,277.01 = 20,391.33 : x
  2. Step 2: Convert to fraction form
    37,157.25/51,277.01 = 20,391.33/x
  3. Step 3: Cross multiply
    37,157.25x = 51,277.01 × 20,391.33
  4. Step 4: Simplify right side
    37,157.25x = 1,045,606,330.37
  5. Step 5: Solve for x
    x = 1,045,606,330.37/37,157.25
  6. Step 6: Final answer
    x = 28,140.04

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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.