Home / 23,977.17-33,120.78-21,741.57

Finding the Fourth Proportional to 23,977.17, 33,120.78 and 21,741.57

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Solution

The fourth proportional to 23,977.17, 33,120.78 and 21,741.57 is: 30,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,977.17 : 33,120.78 = 21,741.57 : x
  2. Step 2: Convert to fraction form
    23,977.17/33,120.78 = 21,741.57/x
  3. Step 3: Cross multiply
    23,977.17x = 33,120.78 × 21,741.57
  4. Step 4: Simplify right side
    23,977.17x = 720,097,756.82
  5. Step 5: Solve for x
    x = 720,097,756.82/23,977.17
  6. Step 6: Final answer
    x = 30,032.64

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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.