Home / 37,115.40-51,219.30-20,119.74

Finding the Fourth Proportional to 37,115.40, 51,219.30 and 20,119.74

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Solution

The fourth proportional to 37,115.40, 51,219.30 and 20,119.74 is: 27,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,115.40 : 51,219.30 = 20,119.74 : x
  2. Step 2: Convert to fraction form
    37,115.40/51,219.30 = 20,119.74/x
  3. Step 3: Cross multiply
    37,115.40x = 51,219.30 × 20,119.74
  4. Step 4: Simplify right side
    37,115.40x = 1,030,518,998.98
  5. Step 5: Solve for x
    x = 1,030,518,998.98/37,115.40
  6. Step 6: Final answer
    x = 27,765.27

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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.