Home / 36,002.72-49,683.43-19,870.22

Finding the Fourth Proportional to 36,002.72, 49,683.43 and 19,870.22

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Solution

The fourth proportional to 36,002.72, 49,683.43 and 19,870.22 is: 27,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,002.72 : 49,683.43 = 19,870.22 : x
  2. Step 2: Convert to fraction form
    36,002.72/49,683.43 = 19,870.22/x
  3. Step 3: Cross multiply
    36,002.72x = 49,683.43 × 19,870.22
  4. Step 4: Simplify right side
    36,002.72x = 987,220,684.45
  5. Step 5: Solve for x
    x = 987,220,684.45/36,002.72
  6. Step 6: Final answer
    x = 27,420.73

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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.