Home / 47,685.62-71,528.44-12,628.02

Finding the Fourth Proportional to 47,685.62, 71,528.44 and 12,628.02

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Solution

The fourth proportional to 47,685.62, 71,528.44 and 12,628.02 is: 18,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,685.62 : 71,528.44 = 12,628.02 : x
  2. Step 2: Convert to fraction form
    47,685.62/71,528.44 = 12,628.02/x
  3. Step 3: Cross multiply
    47,685.62x = 71,528.44 × 12,628.02
  4. Step 4: Simplify right side
    47,685.62x = 903,262,570.89
  5. Step 5: Solve for x
    x = 903,262,570.89/47,685.62
  6. Step 6: Final answer
    x = 18,942.03

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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.