Home / 38,731,286.25-53,449,175.03-21,327,590.00

Finding the Fourth Proportional to 38,731,286.25, 53,449,175.03 and 21,327,590.00

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Solution

The fourth proportional to 38,731,286.25, 53,449,175.03 and 21,327,590.00 is: 29,432,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,731,286.25 : 53,449,175.03 = 21,327,590.00 : x
  2. Step 2: Convert to fraction form
    38,731,286.25/53,449,175.03 = 21,327,590.00/x
  3. Step 3: Cross multiply
    38,731,286.25x = 53,449,175.03 × 21,327,590.00
  4. Step 4: Simplify right side
    38,731,286.25x = 1,139,942,090,905,062.75
  5. Step 5: Solve for x
    x = 1,139,942,090,905,062.75/38,731,286.25
  6. Step 6: Final answer
    x = 29,432,074.20

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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.