Home / 53,074.63-79,625.31-19,795.78

Finding the Fourth Proportional to 53,074.63, 79,625.31 and 19,795.78

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Solution

The fourth proportional to 53,074.63, 79,625.31 and 19,795.78 is: 29,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,074.63 : 79,625.31 = 19,795.78 : x
  2. Step 2: Convert to fraction form
    53,074.63/79,625.31 = 19,795.78/x
  3. Step 3: Cross multiply
    53,074.63x = 79,625.31 × 19,795.78
  4. Step 4: Simplify right side
    53,074.63x = 1,576,245,119.19
  5. Step 5: Solve for x
    x = 1,576,245,119.19/53,074.63
  6. Step 6: Final answer
    x = 29,698.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.