Home / 51,219.21-76,828.73-20,032.59

Finding the Fourth Proportional to 51,219.21, 76,828.73 and 20,032.59

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Solution

The fourth proportional to 51,219.21, 76,828.73 and 20,032.59 is: 30,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.21 : 76,828.73 = 20,032.59 : x
  2. Step 2: Convert to fraction form
    51,219.21/76,828.73 = 20,032.59/x
  3. Step 3: Cross multiply
    51,219.21x = 76,828.73 × 20,032.59
  4. Step 4: Simplify right side
    51,219.21x = 1,539,078,348.15
  5. Step 5: Solve for x
    x = 1,539,078,348.15/51,219.21
  6. Step 6: Final answer
    x = 30,048.85

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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.