Home / 37,412.38-51,629.15-20,645.38

Finding the Fourth Proportional to 37,412.38, 51,629.15 and 20,645.38

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Solution

The fourth proportional to 37,412.38, 51,629.15 and 20,645.38 is: 28,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,412.38 : 51,629.15 = 20,645.38 : x
  2. Step 2: Convert to fraction form
    37,412.38/51,629.15 = 20,645.38/x
  3. Step 3: Cross multiply
    37,412.38x = 51,629.15 × 20,645.38
  4. Step 4: Simplify right side
    37,412.38x = 1,065,903,059.45
  5. Step 5: Solve for x
    x = 1,065,903,059.45/37,412.38
  6. Step 6: Final answer
    x = 28,490.65

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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.