Home / 31,093.68-46,640.16-18,617.18

Finding the Fourth Proportional to 31,093.68, 46,640.16 and 18,617.18

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Solution

The fourth proportional to 31,093.68, 46,640.16 and 18,617.18 is: 27,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093.68 : 46,640.16 = 18,617.18 : x
  2. Step 2: Convert to fraction form
    31,093.68/46,640.16 = 18,617.18/x
  3. Step 3: Cross multiply
    31,093.68x = 46,640.16 × 18,617.18
  4. Step 4: Simplify right side
    31,093.68x = 868,308,253.95
  5. Step 5: Solve for x
    x = 868,308,253.95/31,093.68
  6. Step 6: Final answer
    x = 27,925.55

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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.