Home / 37,783.26-52,147.80-21,869.19

Finding the Fourth Proportional to 37,783.26, 52,147.80 and 21,869.19

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Solution

The fourth proportional to 37,783.26, 52,147.80 and 21,869.19 is: 30,183.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,783.26 : 52,147.80 = 21,869.19 : x
  2. Step 2: Convert to fraction form
    37,783.26/52,147.80 = 21,869.19/x
  3. Step 3: Cross multiply
    37,783.26x = 52,147.80 × 21,869.19
  4. Step 4: Simplify right side
    37,783.26x = 1,140,430,146.28
  5. Step 5: Solve for x
    x = 1,140,430,146.28/37,783.26
  6. Step 6: Final answer
    x = 30,183.48

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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.