Home / 20,698.52-31,043.43-5,903.46

Finding the Fourth Proportional to 20,698.52, 31,043.43 and 5,903.46

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Solution

The fourth proportional to 20,698.52, 31,043.43 and 5,903.46 is: 8,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.52 : 31,043.43 = 5,903.46 : x
  2. Step 2: Convert to fraction form
    20,698.52/31,043.43 = 5,903.46/x
  3. Step 3: Cross multiply
    20,698.52x = 31,043.43 × 5,903.46
  4. Step 4: Simplify right side
    20,698.52x = 183,263,647.27
  5. Step 5: Solve for x
    x = 183,263,647.27/20,698.52
  6. Step 6: Final answer
    x = 8,853.95

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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.