Home / 37,663.26-51,975.16-20,667.79

Finding the Fourth Proportional to 37,663.26, 51,975.16 and 20,667.79

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Solution

The fourth proportional to 37,663.26, 51,975.16 and 20,667.79 is: 28,521.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,663.26 : 51,975.16 = 20,667.79 : x
  2. Step 2: Convert to fraction form
    37,663.26/51,975.16 = 20,667.79/x
  3. Step 3: Cross multiply
    37,663.26x = 51,975.16 × 20,667.79
  4. Step 4: Simplify right side
    37,663.26x = 1,074,211,782.90
  5. Step 5: Solve for x
    x = 1,074,211,782.90/37,663.26
  6. Step 6: Final answer
    x = 28,521.47

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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.