Home / 30,846.39-46,155.92-21,813.81

Finding the Fourth Proportional to 30,846.39, 46,155.92 and 21,813.81

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Solution

The fourth proportional to 30,846.39, 46,155.92 and 21,813.81 is: 32,640.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,846.39 : 46,155.92 = 21,813.81 : x
  2. Step 2: Convert to fraction form
    30,846.39/46,155.92 = 21,813.81/x
  3. Step 3: Cross multiply
    30,846.39x = 46,155.92 × 21,813.81
  4. Step 4: Simplify right side
    30,846.39x = 1,006,836,360.19
  5. Step 5: Solve for x
    x = 1,006,836,360.19/30,846.39
  6. Step 6: Final answer
    x = 32,640.33

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1.5x scale

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.