Home / 39,310.49-54,241.07-23,182.88

Finding the Fourth Proportional to 39,310.49, 54,241.07 and 23,182.88

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Solution

The fourth proportional to 39,310.49, 54,241.07 and 23,182.88 is: 31,987.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.49 : 54,241.07 = 23,182.88 : x
  2. Step 2: Convert to fraction form
    39,310.49/54,241.07 = 23,182.88/x
  3. Step 3: Cross multiply
    39,310.49x = 54,241.07 × 23,182.88
  4. Step 4: Simplify right side
    39,310.49x = 1,257,463,829.76
  5. Step 5: Solve for x
    x = 1,257,463,829.76/39,310.49
  6. Step 6: Final answer
    x = 31,987.99

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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.