Home / 38,328.88-57,558.72-20,832.88

Finding the Fourth Proportional to 38,328.88, 57,558.72 and 20,832.88

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Solution

The fourth proportional to 38,328.88, 57,558.72 and 20,832.88 is: 31,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.88 : 57,558.72 = 20,832.88 : x
  2. Step 2: Convert to fraction form
    38,328.88/57,558.72 = 20,832.88/x
  3. Step 3: Cross multiply
    38,328.88x = 57,558.72 × 20,832.88
  4. Step 4: Simplify right side
    38,328.88x = 1,199,113,906.71
  5. Step 5: Solve for x
    x = 1,199,113,906.71/38,328.88
  6. Step 6: Final answer
    x = 31,284.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.