Home / 36,975.60-51,022.38-21,868.80

Finding the Fourth Proportional to 36,975.60, 51,022.38 and 21,868.80

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Solution

The fourth proportional to 36,975.60, 51,022.38 and 21,868.80 is: 30,176.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,975.60 : 51,022.38 = 21,868.80 : x
  2. Step 2: Convert to fraction form
    36,975.60/51,022.38 = 21,868.80/x
  3. Step 3: Cross multiply
    36,975.60x = 51,022.38 × 21,868.80
  4. Step 4: Simplify right side
    36,975.60x = 1,115,798,223.74
  5. Step 5: Solve for x
    x = 1,115,798,223.74/36,975.60
  6. Step 6: Final answer
    x = 30,176.61

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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.