Home / 38,969.51-58,458.33-12,668.09

Finding the Fourth Proportional to 38,969.51, 58,458.33 and 12,668.09

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Solution

The fourth proportional to 38,969.51, 58,458.33 and 12,668.09 is: 19,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,969.51 : 58,458.33 = 12,668.09 : x
  2. Step 2: Convert to fraction form
    38,969.51/58,458.33 = 12,668.09/x
  3. Step 3: Cross multiply
    38,969.51x = 58,458.33 × 12,668.09
  4. Step 4: Simplify right side
    38,969.51x = 740,555,093.40
  5. Step 5: Solve for x
    x = 740,555,093.40/38,969.51
  6. Step 6: Final answer
    x = 19,003.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.