Home / 37,250.81-51,405.86-20,255.07

Finding the Fourth Proportional to 37,250.81, 51,405.86 and 20,255.07

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Solution

The fourth proportional to 37,250.81, 51,405.86 and 20,255.07 is: 27,951.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,250.81 : 51,405.86 = 20,255.07 : x
  2. Step 2: Convert to fraction form
    37,250.81/51,405.86 = 20,255.07/x
  3. Step 3: Cross multiply
    37,250.81x = 51,405.86 × 20,255.07
  4. Step 4: Simplify right side
    37,250.81x = 1,041,229,191.43
  5. Step 5: Solve for x
    x = 1,041,229,191.43/37,250.81
  6. Step 6: Final answer
    x = 27,951.86

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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.