Home / 37,857.40-52,241.16-20,858.35

Finding the Fourth Proportional to 37,857.40, 52,241.16 and 20,858.35

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Solution

The fourth proportional to 37,857.40, 52,241.16 and 20,858.35 is: 28,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,857.40 : 52,241.16 = 20,858.35 : x
  2. Step 2: Convert to fraction form
    37,857.40/52,241.16 = 20,858.35/x
  3. Step 3: Cross multiply
    37,857.40x = 52,241.16 × 20,858.35
  4. Step 4: Simplify right side
    37,857.40x = 1,089,664,399.69
  5. Step 5: Solve for x
    x = 1,089,664,399.69/37,857.40
  6. Step 6: Final answer
    x = 28,783.39

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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.