Home / 39,278.14-58,926.44-12,982.88

Finding the Fourth Proportional to 39,278.14, 58,926.44 and 12,982.88

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Solution

The fourth proportional to 39,278.14, 58,926.44 and 12,982.88 is: 19,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.14 : 58,926.44 = 12,982.88 : x
  2. Step 2: Convert to fraction form
    39,278.14/58,926.44 = 12,982.88/x
  3. Step 3: Cross multiply
    39,278.14x = 58,926.44 × 12,982.88
  4. Step 4: Simplify right side
    39,278.14x = 765,034,834.43
  5. Step 5: Solve for x
    x = 765,034,834.43/39,278.14
  6. Step 6: Final answer
    x = 19,477.37

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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.