Home / 37,116.72-51,220.44-20,349.36

Finding the Fourth Proportional to 37,116.72, 51,220.44 and 20,349.36

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Solution

The fourth proportional to 37,116.72, 51,220.44 and 20,349.36 is: 28,081.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,116.72 : 51,220.44 = 20,349.36 : x
  2. Step 2: Convert to fraction form
    37,116.72/51,220.44 = 20,349.36/x
  3. Step 3: Cross multiply
    37,116.72x = 51,220.44 × 20,349.36
  4. Step 4: Simplify right side
    37,116.72x = 1,042,303,172.92
  5. Step 5: Solve for x
    x = 1,042,303,172.92/37,116.72
  6. Step 6: Final answer
    x = 28,081.77

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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.