Home / 31,571,728.80-43,568,984.08-17,085,040.80

Finding the Fourth Proportional to 31,571,728.80, 43,568,984.08 and 17,085,040.80

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Solution

The fourth proportional to 31,571,728.80, 43,568,984.08 and 17,085,040.80 is: 23,577,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,571,728.80 : 43,568,984.08 = 17,085,040.80 : x
  2. Step 2: Convert to fraction form
    31,571,728.80/43,568,984.08 = 17,085,040.80/x
  3. Step 3: Cross multiply
    31,571,728.80x = 43,568,984.08 × 17,085,040.80
  4. Step 4: Simplify right side
    31,571,728.80x = 744,377,870,621,350.50
  5. Step 5: Solve for x
    x = 744,377,870,621,350.50/31,571,728.80
  6. Step 6: Final answer
    x = 23,577,355.40

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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.