Home / 37,378.22-51,581.54-20,382.41

Finding the Fourth Proportional to 37,378.22, 51,581.54 and 20,382.41

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Solution

The fourth proportional to 37,378.22, 51,581.54 and 20,382.41 is: 28,127.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,378.22 : 51,581.54 = 20,382.41 : x
  2. Step 2: Convert to fraction form
    37,378.22/51,581.54 = 20,382.41/x
  3. Step 3: Cross multiply
    37,378.22x = 51,581.54 × 20,382.41
  4. Step 4: Simplify right side
    37,378.22x = 1,051,355,736.89
  5. Step 5: Solve for x
    x = 1,051,355,736.89/37,378.22
  6. Step 6: Final answer
    x = 28,127.50

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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.