Home / 37,921.87-52,331.75-20,926.25

Finding the Fourth Proportional to 37,921.87, 52,331.75 and 20,926.25

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Solution

The fourth proportional to 37,921.87, 52,331.75 and 20,926.25 is: 28,877.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,921.87 : 52,331.75 = 20,926.25 : x
  2. Step 2: Convert to fraction form
    37,921.87/52,331.75 = 20,926.25/x
  3. Step 3: Cross multiply
    37,921.87x = 52,331.75 × 20,926.25
  4. Step 4: Simplify right side
    37,921.87x = 1,095,107,021.78
  5. Step 5: Solve for x
    x = 1,095,107,021.78/37,921.87
  6. Step 6: Final answer
    x = 28,877.98

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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.