Home / 37,476.72-51,718.32-20,480.88

Finding the Fourth Proportional to 37,476.72, 51,718.32 and 20,480.88

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Solution

The fourth proportional to 37,476.72, 51,718.32 and 20,480.88 is: 28,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,476.72 : 51,718.32 = 20,480.88 : x
  2. Step 2: Convert to fraction form
    37,476.72/51,718.32 = 20,480.88/x
  3. Step 3: Cross multiply
    37,476.72x = 51,718.32 × 20,480.88
  4. Step 4: Simplify right side
    37,476.72x = 1,059,236,705.72
  5. Step 5: Solve for x
    x = 1,059,236,705.72/37,476.72
  6. Step 6: Final answer
    x = 28,263.86

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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.