Home / 30,379.10-41,916.83-22,325.40

Finding the Fourth Proportional to 30,379.10, 41,916.83 and 22,325.40

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Solution

The fourth proportional to 30,379.10, 41,916.83 and 22,325.40 is: 30,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.10 : 41,916.83 = 22,325.40 : x
  2. Step 2: Convert to fraction form
    30,379.10/41,916.83 = 22,325.40/x
  3. Step 3: Cross multiply
    30,379.10x = 41,916.83 × 22,325.40
  4. Step 4: Simplify right side
    30,379.10x = 935,809,884.86
  5. Step 5: Solve for x
    x = 935,809,884.86/30,379.10
  6. Step 6: Final answer
    x = 30,804.40

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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.