Home / 39,231.51-54,137.88-23,315.82

Finding the Fourth Proportional to 39,231.51, 54,137.88 and 23,315.82

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Solution

The fourth proportional to 39,231.51, 54,137.88 and 23,315.82 is: 32,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.51 : 54,137.88 = 23,315.82 : x
  2. Step 2: Convert to fraction form
    39,231.51/54,137.88 = 23,315.82/x
  3. Step 3: Cross multiply
    39,231.51x = 54,137.88 × 23,315.82
  4. Step 4: Simplify right side
    39,231.51x = 1,262,269,065.26
  5. Step 5: Solve for x
    x = 1,262,269,065.26/39,231.51
  6. Step 6: Final answer
    x = 32,174.88

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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.