Home / 39,987.64-55,191.62-27,271.14

Finding the Fourth Proportional to 39,987.64, 55,191.62 and 27,271.14

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Solution

The fourth proportional to 39,987.64, 55,191.62 and 27,271.14 is: 37,640.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.64 : 55,191.62 = 27,271.14 : x
  2. Step 2: Convert to fraction form
    39,987.64/55,191.62 = 27,271.14/x
  3. Step 3: Cross multiply
    39,987.64x = 55,191.62 × 27,271.14
  4. Step 4: Simplify right side
    39,987.64x = 1,505,138,395.85
  5. Step 5: Solve for x
    x = 1,505,138,395.85/39,987.64
  6. Step 6: Final answer
    x = 37,640.09

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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.