Home / 37,325.21-51,508.79-20,558.21

Finding the Fourth Proportional to 37,325.21, 51,508.79 and 20,558.21

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Solution

The fourth proportional to 37,325.21, 51,508.79 and 20,558.21 is: 28,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,325.21 : 51,508.79 = 20,558.21 : x
  2. Step 2: Convert to fraction form
    37,325.21/51,508.79 = 20,558.21/x
  3. Step 3: Cross multiply
    37,325.21x = 51,508.79 × 20,558.21
  4. Step 4: Simplify right side
    37,325.21x = 1,058,928,161.33
  5. Step 5: Solve for x
    x = 1,058,928,161.33/37,325.21
  6. Step 6: Final answer
    x = 28,370.32

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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.