Home / 39,078.33-58,604.34-12,776.91

Finding the Fourth Proportional to 39,078.33, 58,604.34 and 12,776.91

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Solution

The fourth proportional to 39,078.33, 58,604.34 and 12,776.91 is: 19,161.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.33 : 58,604.34 = 12,776.91 : x
  2. Step 2: Convert to fraction form
    39,078.33/58,604.34 = 12,776.91/x
  3. Step 3: Cross multiply
    39,078.33x = 58,604.34 × 12,776.91
  4. Step 4: Simplify right side
    39,078.33x = 748,782,377.79
  5. Step 5: Solve for x
    x = 748,782,377.79/39,078.33
  6. Step 6: Final answer
    x = 19,161.06

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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.