Home / 39,295.74-58,943.61-12,993.42

Finding the Fourth Proportional to 39,295.74, 58,943.61 and 12,993.42

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Solution

The fourth proportional to 39,295.74, 58,943.61 and 12,993.42 is: 19,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,295.74 : 58,943.61 = 12,993.42 : x
  2. Step 2: Convert to fraction form
    39,295.74/58,943.61 = 12,993.42/x
  3. Step 3: Cross multiply
    39,295.74x = 58,943.61 × 12,993.42
  4. Step 4: Simplify right side
    39,295.74x = 765,879,081.05
  5. Step 5: Solve for x
    x = 765,879,081.05/39,295.74
  6. Step 6: Final answer
    x = 19,490.13

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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.