Home / 34,751.16-47,956.32-20,610.72

Finding the Fourth Proportional to 34,751.16, 47,956.32 and 20,610.72

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Solution

The fourth proportional to 34,751.16, 47,956.32 and 20,610.72 is: 28,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,751.16 : 47,956.32 = 20,610.72 : x
  2. Step 2: Convert to fraction form
    34,751.16/47,956.32 = 20,610.72/x
  3. Step 3: Cross multiply
    34,751.16x = 47,956.32 × 20,610.72
  4. Step 4: Simplify right side
    34,751.16x = 988,414,283.75
  5. Step 5: Solve for x
    x = 988,414,283.75/34,751.16
  6. Step 6: Final answer
    x = 28,442.63

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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.