Home / 37,431.43-51,653.16-20,432.29

Finding the Fourth Proportional to 37,431.43, 51,653.16 and 20,432.29

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Solution

The fourth proportional to 37,431.43, 51,653.16 and 20,432.29 is: 28,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,431.43 : 51,653.16 = 20,432.29 : x
  2. Step 2: Convert to fraction form
    37,431.43/51,653.16 = 20,432.29/x
  3. Step 3: Cross multiply
    37,431.43x = 51,653.16 × 20,432.29
  4. Step 4: Simplify right side
    37,431.43x = 1,055,392,344.54
  5. Step 5: Solve for x
    x = 1,055,392,344.54/37,431.43
  6. Step 6: Final answer
    x = 28,195.35

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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.