Home / 36,028.90-49,721.88-20,113.48

Finding the Fourth Proportional to 36,028.90, 49,721.88 and 20,113.48

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Solution

The fourth proportional to 36,028.90, 49,721.88 and 20,113.48 is: 27,757.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,028.90 : 49,721.88 = 20,113.48 : x
  2. Step 2: Convert to fraction form
    36,028.90/49,721.88 = 20,113.48/x
  3. Step 3: Cross multiply
    36,028.90x = 49,721.88 × 20,113.48
  4. Step 4: Simplify right side
    36,028.90x = 1,000,080,038.94
  5. Step 5: Solve for x
    x = 1,000,080,038.94/36,028.90
  6. Step 6: Final answer
    x = 27,757.72

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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.