Home / 38,984.74-58,453.76-18,954.84

Finding the Fourth Proportional to 38,984.74, 58,453.76 and 18,954.84

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Solution

The fourth proportional to 38,984.74, 58,453.76 and 18,954.84 is: 28,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984.74 : 58,453.76 = 18,954.84 : x
  2. Step 2: Convert to fraction form
    38,984.74/58,453.76 = 18,954.84/x
  3. Step 3: Cross multiply
    38,984.74x = 58,453.76 × 18,954.84
  4. Step 4: Simplify right side
    38,984.74x = 1,107,981,668.20
  5. Step 5: Solve for x
    x = 1,107,981,668.20/38,984.74
  6. Step 6: Final answer
    x = 28,420.91

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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.