Home / 37,173-51,299.10-20,406.36

Finding the Fourth Proportional to 37,173, 51,299.10 and 20,406.36

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Solution

The fourth proportional to 37,173, 51,299.10 and 20,406.36 is: 28,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,173 : 51,299.10 = 20,406.36 : x
  2. Step 2: Convert to fraction form
    37,173/51,299.10 = 20,406.36/x
  3. Step 3: Cross multiply
    37,173x = 51,299.10 × 20,406.36
  4. Step 4: Simplify right side
    37,173x = 1,046,827,902.28
  5. Step 5: Solve for x
    x = 1,046,827,902.28/37,173
  6. Step 6: Final answer
    x = 28,160.97

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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.