Home / 53,074-79,610.64-13,631.14

Finding the Fourth Proportional to 53,074, 79,610.64 and 13,631.14

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Solution

The fourth proportional to 53,074, 79,610.64 and 13,631.14 is: 20,446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,074 : 79,610.64 = 13,631.14 : x
  2. Step 2: Convert to fraction form
    53,074/79,610.64 = 13,631.14/x
  3. Step 3: Cross multiply
    53,074x = 79,610.64 × 13,631.14
  4. Step 4: Simplify right side
    53,074x = 1,085,183,779.33
  5. Step 5: Solve for x
    x = 1,085,183,779.33/53,074
  6. Step 6: Final answer
    x = 20,446.62

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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.