Home / 53,293.12-79,939.32-13,850.08

Finding the Fourth Proportional to 53,293.12, 79,939.32 and 13,850.08

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Solution

The fourth proportional to 53,293.12, 79,939.32 and 13,850.08 is: 20,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.12 : 79,939.32 = 13,850.08 : x
  2. Step 2: Convert to fraction form
    53,293.12/79,939.32 = 13,850.08/x
  3. Step 3: Cross multiply
    53,293.12x = 79,939.32 × 13,850.08
  4. Step 4: Simplify right side
    53,293.12x = 1,107,165,977.15
  5. Step 5: Solve for x
    x = 1,107,165,977.15/53,293.12
  6. Step 6: Final answer
    x = 20,775.03

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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.