Home / 34,563.03-47,704.78-21,145.47

Finding the Fourth Proportional to 34,563.03, 47,704.78 and 21,145.47

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Solution

The fourth proportional to 34,563.03, 47,704.78 and 21,145.47 is: 29,185.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,563.03 : 47,704.78 = 21,145.47 : x
  2. Step 2: Convert to fraction form
    34,563.03/47,704.78 = 21,145.47/x
  3. Step 3: Cross multiply
    34,563.03x = 47,704.78 × 21,145.47
  4. Step 4: Simplify right side
    34,563.03x = 1,008,739,994.35
  5. Step 5: Solve for x
    x = 1,008,739,994.35/34,563.03
  6. Step 6: Final answer
    x = 29,185.52

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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.