Home / 39,215.69-54,090.29-25,782.65

Finding the Fourth Proportional to 39,215.69, 54,090.29 and 25,782.65

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Solution

The fourth proportional to 39,215.69, 54,090.29 and 25,782.65 is: 35,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.69 : 54,090.29 = 25,782.65 : x
  2. Step 2: Convert to fraction form
    39,215.69/54,090.29 = 25,782.65/x
  3. Step 3: Cross multiply
    39,215.69x = 54,090.29 × 25,782.65
  4. Step 4: Simplify right side
    39,215.69x = 1,394,590,886.56
  5. Step 5: Solve for x
    x = 1,394,590,886.56/39,215.69
  6. Step 6: Final answer
    x = 35,562.06

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Half scale
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Double scale
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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.