Home / 38,731,052.72-53,449,242.72-21,329,015.96

Finding the Fourth Proportional to 38,731,052.72, 53,449,242.72 and 21,329,015.96

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Solution

The fourth proportional to 38,731,052.72, 53,449,242.72 and 21,329,015.96 is: 29,434,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,731,052.72 : 53,449,242.72 = 21,329,015.96 : x
  2. Step 2: Convert to fraction form
    38,731,052.72/53,449,242.72 = 21,329,015.96/x
  3. Step 3: Cross multiply
    38,731,052.72x = 53,449,242.72 × 21,329,015.96
  4. Step 4: Simplify right side
    38,731,052.72x = 1,140,019,751,024,793.75
  5. Step 5: Solve for x
    x = 1,140,019,751,024,793.75/38,731,052.72
  6. Step 6: Final answer
    x = 29,434,256.78

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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.