Home / 30,033.41-41,437.01-20,958.53

Finding the Fourth Proportional to 30,033.41, 41,437.01 and 20,958.53

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Solution

The fourth proportional to 30,033.41, 41,437.01 and 20,958.53 is: 28,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.41 : 41,437.01 = 20,958.53 : x
  2. Step 2: Convert to fraction form
    30,033.41/41,437.01 = 20,958.53/x
  3. Step 3: Cross multiply
    30,033.41x = 41,437.01 × 20,958.53
  4. Step 4: Simplify right side
    30,033.41x = 868,458,817.20
  5. Step 5: Solve for x
    x = 868,458,817.20/30,033.41
  6. Step 6: Final answer
    x = 28,916.42

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1.5x scale

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.