Home / 39,070.45-53,940.23-25,665.09

Finding the Fourth Proportional to 39,070.45, 53,940.23 and 25,665.09

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Solution

The fourth proportional to 39,070.45, 53,940.23 and 25,665.09 is: 35,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070.45 : 53,940.23 = 25,665.09 : x
  2. Step 2: Convert to fraction form
    39,070.45/53,940.23 = 25,665.09/x
  3. Step 3: Cross multiply
    39,070.45x = 53,940.23 × 25,665.09
  4. Step 4: Simplify right side
    39,070.45x = 1,384,380,857.57
  5. Step 5: Solve for x
    x = 1,384,380,857.57/39,070.45
  6. Step 6: Final answer
    x = 35,432.94

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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.