Home / 34,384.89-47,452.86-20,954.01

Finding the Fourth Proportional to 34,384.89, 47,452.86 and 20,954.01

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Solution

The fourth proportional to 34,384.89, 47,452.86 and 20,954.01 is: 28,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,384.89 : 47,452.86 = 20,954.01 : x
  2. Step 2: Convert to fraction form
    34,384.89/47,452.86 = 20,954.01/x
  3. Step 3: Cross multiply
    34,384.89x = 47,452.86 × 20,954.01
  4. Step 4: Simplify right side
    34,384.89x = 994,327,702.97
  5. Step 5: Solve for x
    x = 994,327,702.97/34,384.89
  6. Step 6: Final answer
    x = 28,917.58

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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.