Home / 39,272.94-58,920.39-12,996.18

Finding the Fourth Proportional to 39,272.94, 58,920.39 and 12,996.18

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Solution

The fourth proportional to 39,272.94, 58,920.39 and 12,996.18 is: 19,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272.94 : 58,920.39 = 12,996.18 : x
  2. Step 2: Convert to fraction form
    39,272.94/58,920.39 = 12,996.18/x
  3. Step 3: Cross multiply
    39,272.94x = 58,920.39 × 12,996.18
  4. Step 4: Simplify right side
    39,272.94x = 765,739,994.11
  5. Step 5: Solve for x
    x = 765,739,994.11/39,272.94
  6. Step 6: Final answer
    x = 19,497.90

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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.