Home / 37,991.05-52,427.51-20,994.82

Finding the Fourth Proportional to 37,991.05, 52,427.51 and 20,994.82

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Solution

The fourth proportional to 37,991.05, 52,427.51 and 20,994.82 is: 28,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,991.05 : 52,427.51 = 20,994.82 : x
  2. Step 2: Convert to fraction form
    37,991.05/52,427.51 = 20,994.82/x
  3. Step 3: Cross multiply
    37,991.05x = 52,427.51 × 20,994.82
  4. Step 4: Simplify right side
    37,991.05x = 1,100,706,135.50
  5. Step 5: Solve for x
    x = 1,100,706,135.50/37,991.05
  6. Step 6: Final answer
    x = 28,972.77

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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.