Home / 51,213.48-76,820.08-20,026.84

Finding the Fourth Proportional to 51,213.48, 76,820.08 and 20,026.84

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Solution

The fourth proportional to 51,213.48, 76,820.08 and 20,026.84 is: 30,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,213.48 : 76,820.08 = 20,026.84 : x
  2. Step 2: Convert to fraction form
    51,213.48/76,820.08 = 20,026.84/x
  3. Step 3: Cross multiply
    51,213.48x = 76,820.08 × 20,026.84
  4. Step 4: Simplify right side
    51,213.48x = 1,538,463,450.95
  5. Step 5: Solve for x
    x = 1,538,463,450.95/51,213.48
  6. Step 6: Final answer
    x = 30,040.21

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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.