Home / 51,215.46-76,823.10-20,028.84

Finding the Fourth Proportional to 51,215.46, 76,823.10 and 20,028.84

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Solution

The fourth proportional to 51,215.46, 76,823.10 and 20,028.84 is: 30,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,215.46 : 76,823.10 = 20,028.84 : x
  2. Step 2: Convert to fraction form
    51,215.46/76,823.10 = 20,028.84/x
  3. Step 3: Cross multiply
    51,215.46x = 76,823.10 × 20,028.84
  4. Step 4: Simplify right side
    51,215.46x = 1,538,677,578.20
  5. Step 5: Solve for x
    x = 1,538,677,578.20/51,215.46
  6. Step 6: Final answer
    x = 30,043.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.