Home / 37,675.40-51,993.48-20,911.64

Finding the Fourth Proportional to 37,675.40, 51,993.48 and 20,911.64

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Solution

The fourth proportional to 37,675.40, 51,993.48 and 20,911.64 is: 28,858.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,675.40 : 51,993.48 = 20,911.64 : x
  2. Step 2: Convert to fraction form
    37,675.40/51,993.48 = 20,911.64/x
  3. Step 3: Cross multiply
    37,675.40x = 51,993.48 × 20,911.64
  4. Step 4: Simplify right side
    37,675.40x = 1,087,268,936.11
  5. Step 5: Solve for x
    x = 1,087,268,936.11/37,675.40
  6. Step 6: Final answer
    x = 28,858.86

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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.