Home / 38,372.64-52,953.44-21,376.86

Finding the Fourth Proportional to 38,372.64, 52,953.44 and 21,376.86

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Solution

The fourth proportional to 38,372.64, 52,953.44 and 21,376.86 is: 29,499.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,372.64 : 52,953.44 = 21,376.86 : x
  2. Step 2: Convert to fraction form
    38,372.64/52,953.44 = 21,376.86/x
  3. Step 3: Cross multiply
    38,372.64x = 52,953.44 × 21,376.86
  4. Step 4: Simplify right side
    38,372.64x = 1,131,977,901.75
  5. Step 5: Solve for x
    x = 1,131,977,901.75/38,372.64
  6. Step 6: Final answer
    x = 29,499.61

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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.