Home / 34,080.45-47,014.53-21,977.73

Finding the Fourth Proportional to 34,080.45, 47,014.53 and 21,977.73

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Solution

The fourth proportional to 34,080.45, 47,014.53 and 21,977.73 is: 30,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,080.45 : 47,014.53 = 21,977.73 : x
  2. Step 2: Convert to fraction form
    34,080.45/47,014.53 = 21,977.73/x
  3. Step 3: Cross multiply
    34,080.45x = 47,014.53 × 21,977.73
  4. Step 4: Simplify right side
    34,080.45x = 1,033,272,564.00
  5. Step 5: Solve for x
    x = 1,033,272,564.00/34,080.45
  6. Step 6: Final answer
    x = 30,318.63

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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.