Home / 38,325.96-52,889.22-21,330

Finding the Fourth Proportional to 38,325.96, 52,889.22 and 21,330

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Solution

The fourth proportional to 38,325.96, 52,889.22 and 21,330 is: 29,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,325.96 : 52,889.22 = 21,330 : x
  2. Step 2: Convert to fraction form
    38,325.96/52,889.22 = 21,330/x
  3. Step 3: Cross multiply
    38,325.96x = 52,889.22 × 21,330
  4. Step 4: Simplify right side
    38,325.96x = 1,128,127,062.60
  5. Step 5: Solve for x
    x = 1,128,127,062.60/38,325.96
  6. Step 6: Final answer
    x = 29,435.06

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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.