Home / 37,630.27-51,930.37-20,636.06

Finding the Fourth Proportional to 37,630.27, 51,930.37 and 20,636.06

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Solution

The fourth proportional to 37,630.27, 51,930.37 and 20,636.06 is: 28,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.27 : 51,930.37 = 20,636.06 : x
  2. Step 2: Convert to fraction form
    37,630.27/51,930.37 = 20,636.06/x
  3. Step 3: Cross multiply
    37,630.27x = 51,930.37 × 20,636.06
  4. Step 4: Simplify right side
    37,630.27x = 1,071,638,231.14
  5. Step 5: Solve for x
    x = 1,071,638,231.14/37,630.27
  6. Step 6: Final answer
    x = 28,478.09

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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.