Home / 37,428.03-51,650.73-20,661.03

Finding the Fourth Proportional to 37,428.03, 51,650.73 and 20,661.03

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Solution

The fourth proportional to 37,428.03, 51,650.73 and 20,661.03 is: 28,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,428.03 : 51,650.73 = 20,661.03 : x
  2. Step 2: Convert to fraction form
    37,428.03/51,650.73 = 20,661.03/x
  3. Step 3: Cross multiply
    37,428.03x = 51,650.73 × 20,661.03
  4. Step 4: Simplify right side
    37,428.03x = 1,067,157,282.05
  5. Step 5: Solve for x
    x = 1,067,157,282.05/37,428.03
  6. Step 6: Final answer
    x = 28,512.25

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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.