Home / 38,731,290.75-53,449,181.24-21,327,594.51

Finding the Fourth Proportional to 38,731,290.75, 53,449,181.24 and 21,327,594.51

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Solution

The fourth proportional to 38,731,290.75, 53,449,181.24 and 21,327,594.51 is: 29,432,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,731,290.75 : 53,449,181.24 = 21,327,594.51 : x
  2. Step 2: Convert to fraction form
    38,731,290.75/53,449,181.24 = 21,327,594.51/x
  3. Step 3: Cross multiply
    38,731,290.75x = 53,449,181.24 × 21,327,594.51
  4. Step 4: Simplify right side
    38,731,290.75x = 1,139,942,464,271,581
  5. Step 5: Solve for x
    x = 1,139,942,464,271,581/38,731,290.75
  6. Step 6: Final answer
    x = 29,432,080.42

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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.