Home / 39,593.47-54,636.87-21,685.09

Finding the Fourth Proportional to 39,593.47, 54,636.87 and 21,685.09

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Solution

The fourth proportional to 39,593.47, 54,636.87 and 21,685.09 is: 29,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,593.47 : 54,636.87 = 21,685.09 : x
  2. Step 2: Convert to fraction form
    39,593.47/54,636.87 = 21,685.09/x
  3. Step 3: Cross multiply
    39,593.47x = 54,636.87 × 21,685.09
  4. Step 4: Simplify right side
    39,593.47x = 1,184,805,443.27
  5. Step 5: Solve for x
    x = 1,184,805,443.27/39,593.47
  6. Step 6: Final answer
    x = 29,924.26

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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.