Home / 39,021.57-53,854.53-23,916.39

Finding the Fourth Proportional to 39,021.57, 53,854.53 and 23,916.39

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Solution

The fourth proportional to 39,021.57, 53,854.53 and 23,916.39 is: 33,007.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021.57 : 53,854.53 = 23,916.39 : x
  2. Step 2: Convert to fraction form
    39,021.57/53,854.53 = 23,916.39/x
  3. Step 3: Cross multiply
    39,021.57x = 53,854.53 × 23,916.39
  4. Step 4: Simplify right side
    39,021.57x = 1,288,005,942.75
  5. Step 5: Solve for x
    x = 1,288,005,942.75/39,021.57
  6. Step 6: Final answer
    x = 33,007.54

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1.5x scale

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.