Home / 39,767.31-54,883.85-23,000.31

Finding the Fourth Proportional to 39,767.31, 54,883.85 and 23,000.31

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Solution

The fourth proportional to 39,767.31, 54,883.85 and 23,000.31 is: 31,743.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,767.31 : 54,883.85 = 23,000.31 : x
  2. Step 2: Convert to fraction form
    39,767.31/54,883.85 = 23,000.31/x
  3. Step 3: Cross multiply
    39,767.31x = 54,883.85 × 23,000.31
  4. Step 4: Simplify right side
    39,767.31x = 1,262,345,448.99
  5. Step 5: Solve for x
    x = 1,262,345,448.99/39,767.31
  6. Step 6: Final answer
    x = 31,743.29

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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.