Home / 39,136.07-53,987.09-27,810.14

Finding the Fourth Proportional to 39,136.07, 53,987.09 and 27,810.14

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Solution

The fourth proportional to 39,136.07, 53,987.09 and 27,810.14 is: 38,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136.07 : 53,987.09 = 27,810.14 : x
  2. Step 2: Convert to fraction form
    39,136.07/53,987.09 = 27,810.14/x
  3. Step 3: Cross multiply
    39,136.07x = 53,987.09 × 27,810.14
  4. Step 4: Simplify right side
    39,136.07x = 1,501,388,531.09
  5. Step 5: Solve for x
    x = 1,501,388,531.09/39,136.07
  6. Step 6: Final answer
    x = 38,363.29

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Half scale
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Double scale
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Similar ratio
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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.