Home / 38,516.96-57,668.64-19,756.64

Finding the Fourth Proportional to 38,516.96, 57,668.64 and 19,756.64

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Solution

The fourth proportional to 38,516.96, 57,668.64 and 19,756.64 is: 29,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.96 : 57,668.64 = 19,756.64 : x
  2. Step 2: Convert to fraction form
    38,516.96/57,668.64 = 19,756.64/x
  3. Step 3: Cross multiply
    38,516.96x = 57,668.64 × 19,756.64
  4. Step 4: Simplify right side
    38,516.96x = 1,139,338,559.77
  5. Step 5: Solve for x
    x = 1,139,338,559.77/38,516.96
  6. Step 6: Final answer
    x = 29,580.18

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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.