Home / 37,074.19-51,161.76-20,078.30

Finding the Fourth Proportional to 37,074.19, 51,161.76 and 20,078.30

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Solution

The fourth proportional to 37,074.19, 51,161.76 and 20,078.30 is: 27,707.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,074.19 : 51,161.76 = 20,078.30 : x
  2. Step 2: Convert to fraction form
    37,074.19/51,161.76 = 20,078.30/x
  3. Step 3: Cross multiply
    37,074.19x = 51,161.76 × 20,078.30
  4. Step 4: Simplify right side
    37,074.19x = 1,027,241,165.81
  5. Step 5: Solve for x
    x = 1,027,241,165.81/37,074.19
  6. Step 6: Final answer
    x = 27,707.72

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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.