Home / 37,429.26-51,653.88-20,434.65

Finding the Fourth Proportional to 37,429.26, 51,653.88 and 20,434.65

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Solution

The fourth proportional to 37,429.26, 51,653.88 and 20,434.65 is: 28,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,429.26 : 51,653.88 = 20,434.65 : x
  2. Step 2: Convert to fraction form
    37,429.26/51,653.88 = 20,434.65/x
  3. Step 3: Cross multiply
    37,429.26x = 51,653.88 × 20,434.65
  4. Step 4: Simplify right side
    37,429.26x = 1,055,528,958.94
  5. Step 5: Solve for x
    x = 1,055,528,958.94/37,429.26
  6. Step 6: Final answer
    x = 28,200.64

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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.