Home / 30,869.60-46,327.83-20,336.03

Finding the Fourth Proportional to 30,869.60, 46,327.83 and 20,336.03

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Solution

The fourth proportional to 30,869.60, 46,327.83 and 20,336.03 is: 30,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,869.60 : 46,327.83 = 20,336.03 : x
  2. Step 2: Convert to fraction form
    30,869.60/46,327.83 = 20,336.03/x
  3. Step 3: Cross multiply
    30,869.60x = 46,327.83 × 20,336.03
  4. Step 4: Simplify right side
    30,869.60x = 942,123,807.40
  5. Step 5: Solve for x
    x = 942,123,807.40/30,869.60
  6. Step 6: Final answer
    x = 30,519.47

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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.