Home / 38,325.75-52,889.52-21,558.75

Finding the Fourth Proportional to 38,325.75, 52,889.52 and 21,558.75

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Solution

The fourth proportional to 38,325.75, 52,889.52 and 21,558.75 is: 29,751.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,325.75 : 52,889.52 = 21,558.75 : x
  2. Step 2: Convert to fraction form
    38,325.75/52,889.52 = 21,558.75/x
  3. Step 3: Cross multiply
    38,325.75x = 52,889.52 × 21,558.75
  4. Step 4: Simplify right side
    38,325.75x = 1,140,231,939.30
  5. Step 5: Solve for x
    x = 1,140,231,939.30/38,325.75
  6. Step 6: Final answer
    x = 29,751.07

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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.