Home / 37,977.63-52,407.53-21,843.71

Finding the Fourth Proportional to 37,977.63, 52,407.53 and 21,843.71

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Solution

The fourth proportional to 37,977.63, 52,407.53 and 21,843.71 is: 30,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,977.63 : 52,407.53 = 21,843.71 : x
  2. Step 2: Convert to fraction form
    37,977.63/52,407.53 = 21,843.71/x
  3. Step 3: Cross multiply
    37,977.63x = 52,407.53 × 21,843.71
  4. Step 4: Simplify right side
    37,977.63x = 1,144,775,072.76
  5. Step 5: Solve for x
    x = 1,144,775,072.76/37,977.63
  6. Step 6: Final answer
    x = 30,143.41

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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.