Home / 39,249.87-58,866.55-12,948.45

Finding the Fourth Proportional to 39,249.87, 58,866.55 and 12,948.45

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Solution

The fourth proportional to 39,249.87, 58,866.55 and 12,948.45 is: 19,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,249.87 : 58,866.55 = 12,948.45 : x
  2. Step 2: Convert to fraction form
    39,249.87/58,866.55 = 12,948.45/x
  3. Step 3: Cross multiply
    39,249.87x = 58,866.55 × 12,948.45
  4. Step 4: Simplify right side
    39,249.87x = 762,230,579.35
  5. Step 5: Solve for x
    x = 762,230,579.35/39,249.87
  6. Step 6: Final answer
    x = 19,419.95

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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.