Home / 37,140.54-51,253.07-20,144.31

Finding the Fourth Proportional to 37,140.54, 51,253.07 and 20,144.31

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Solution

The fourth proportional to 37,140.54, 51,253.07 and 20,144.31 is: 27,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.54 : 51,253.07 = 20,144.31 : x
  2. Step 2: Convert to fraction form
    37,140.54/51,253.07 = 20,144.31/x
  3. Step 3: Cross multiply
    37,140.54x = 51,253.07 × 20,144.31
  4. Step 4: Simplify right side
    37,140.54x = 1,032,457,629.81
  5. Step 5: Solve for x
    x = 1,032,457,629.81/37,140.54
  6. Step 6: Final answer
    x = 27,798.67

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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.