Home / 39,310.14-54,240.79-23,182.51

Finding the Fourth Proportional to 39,310.14, 54,240.79 and 23,182.51

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Solution

The fourth proportional to 39,310.14, 54,240.79 and 23,182.51 is: 31,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.14 : 54,240.79 = 23,182.51 : x
  2. Step 2: Convert to fraction form
    39,310.14/54,240.79 = 23,182.51/x
  3. Step 3: Cross multiply
    39,310.14x = 54,240.79 × 23,182.51
  4. Step 4: Simplify right side
    39,310.14x = 1,257,437,666.43
  5. Step 5: Solve for x
    x = 1,257,437,666.43/39,310.14
  6. Step 6: Final answer
    x = 31,987.61

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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.