Home / 37,423.44-51,643.56-20,428.02

Finding the Fourth Proportional to 37,423.44, 51,643.56 and 20,428.02

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Solution

The fourth proportional to 37,423.44, 51,643.56 and 20,428.02 is: 28,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,423.44 : 51,643.56 = 20,428.02 : x
  2. Step 2: Convert to fraction form
    37,423.44/51,643.56 = 20,428.02/x
  3. Step 3: Cross multiply
    37,423.44x = 51,643.56 × 20,428.02
  4. Step 4: Simplify right side
    37,423.44x = 1,054,975,676.55
  5. Step 5: Solve for x
    x = 1,054,975,676.55/37,423.44
  6. Step 6: Final answer
    x = 28,190.24

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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.