Home / 37,474.05-51,712.57-20,478.03

Finding the Fourth Proportional to 37,474.05, 51,712.57 and 20,478.03

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Solution

The fourth proportional to 37,474.05, 51,712.57 and 20,478.03 is: 28,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,474.05 : 51,712.57 = 20,478.03 : x
  2. Step 2: Convert to fraction form
    37,474.05/51,712.57 = 20,478.03/x
  3. Step 3: Cross multiply
    37,474.05x = 51,712.57 × 20,478.03
  4. Step 4: Simplify right side
    37,474.05x = 1,058,971,559.84
  5. Step 5: Solve for x
    x = 1,058,971,559.84/37,474.05
  6. Step 6: Final answer
    x = 28,258.80

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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.