Home / 33,478.68-49,977.87-31,145.88

Finding the Fourth Proportional to 33,478.68, 49,977.87 and 31,145.88

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Solution

The fourth proportional to 33,478.68, 49,977.87 and 31,145.88 is: 46,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,478.68 : 49,977.87 = 31,145.88 : x
  2. Step 2: Convert to fraction form
    33,478.68/49,977.87 = 31,145.88/x
  3. Step 3: Cross multiply
    33,478.68x = 49,977.87 × 31,145.88
  4. Step 4: Simplify right side
    33,478.68x = 1,556,604,741.68
  5. Step 5: Solve for x
    x = 1,556,604,741.68/33,478.68
  6. Step 6: Final answer
    x = 46,495.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.