Home / 47,968.20-71,942.04-26,928.72

Finding the Fourth Proportional to 47,968.20, 71,942.04 and 26,928.72

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Solution

The fourth proportional to 47,968.20, 71,942.04 and 26,928.72 is: 40,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,968.20 : 71,942.04 = 26,928.72 : x
  2. Step 2: Convert to fraction form
    47,968.20/71,942.04 = 26,928.72/x
  3. Step 3: Cross multiply
    47,968.20x = 71,942.04 × 26,928.72
  4. Step 4: Simplify right side
    47,968.20x = 1,937,307,051.39
  5. Step 5: Solve for x
    x = 1,937,307,051.39/47,968.20
  6. Step 6: Final answer
    x = 40,387.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.