Home / 47,926.58-66,173.85-30,940.71

Finding the Fourth Proportional to 47,926.58, 66,173.85 and 30,940.71

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Solution

The fourth proportional to 47,926.58, 66,173.85 and 30,940.71 is: 42,720.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,926.58 : 66,173.85 = 30,940.71 : x
  2. Step 2: Convert to fraction form
    47,926.58/66,173.85 = 30,940.71/x
  3. Step 3: Cross multiply
    47,926.58x = 66,173.85 × 30,940.71
  4. Step 4: Simplify right side
    47,926.58x = 2,047,465,902.43
  5. Step 5: Solve for x
    x = 2,047,465,902.43/47,926.58
  6. Step 6: Final answer
    x = 42,720.89

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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.