Home / 38,745.63-58,118.43-12,468.83

Finding the Fourth Proportional to 38,745.63, 58,118.43 and 12,468.83

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Solution

The fourth proportional to 38,745.63, 58,118.43 and 12,468.83 is: 18,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.63 : 58,118.43 = 12,468.83 : x
  2. Step 2: Convert to fraction form
    38,745.63/58,118.43 = 12,468.83/x
  3. Step 3: Cross multiply
    38,745.63x = 58,118.43 × 12,468.83
  4. Step 4: Simplify right side
    38,745.63x = 724,668,532.94
  5. Step 5: Solve for x
    x = 724,668,532.94/38,745.63
  6. Step 6: Final answer
    x = 18,703.23

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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.