Home / 31,235.94-43,106.68-17,088.79

Finding the Fourth Proportional to 31,235.94, 43,106.68 and 17,088.79

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Solution

The fourth proportional to 31,235.94, 43,106.68 and 17,088.79 is: 23,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.94 : 43,106.68 = 17,088.79 : x
  2. Step 2: Convert to fraction form
    31,235.94/43,106.68 = 17,088.79/x
  3. Step 3: Cross multiply
    31,235.94x = 43,106.68 × 17,088.79
  4. Step 4: Simplify right side
    31,235.94x = 736,640,814.68
  5. Step 5: Solve for x
    x = 736,640,814.68/31,235.94
  6. Step 6: Final answer
    x = 23,583.12

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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.