Home / 36,042.72-49,728.08-20,932.47

Finding the Fourth Proportional to 36,042.72, 49,728.08 and 20,932.47

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Solution

The fourth proportional to 36,042.72, 49,728.08 and 20,932.47 is: 28,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,042.72 : 49,728.08 = 20,932.47 : x
  2. Step 2: Convert to fraction form
    36,042.72/49,728.08 = 20,932.47/x
  3. Step 3: Cross multiply
    36,042.72x = 49,728.08 × 20,932.47
  4. Step 4: Simplify right side
    36,042.72x = 1,040,931,408.61
  5. Step 5: Solve for x
    x = 1,040,931,408.61/36,042.72
  6. Step 6: Final answer
    x = 28,880.49

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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.