Home / 39,987.48-55,147.50-27,261.24

Finding the Fourth Proportional to 39,987.48, 55,147.50 and 27,261.24

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Solution

The fourth proportional to 39,987.48, 55,147.50 and 27,261.24 is: 37,596.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,987.48 : 55,147.50 = 27,261.24 : x
  2. Step 2: Convert to fraction form
    39,987.48/55,147.50 = 27,261.24/x
  3. Step 3: Cross multiply
    39,987.48x = 55,147.50 × 27,261.24
  4. Step 4: Simplify right side
    39,987.48x = 1,503,389,232.90
  5. Step 5: Solve for x
    x = 1,503,389,232.90/39,987.48
  6. Step 6: Final answer
    x = 37,596.50

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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.