Home / 38,762.93-58,107.48-12,449.21

Finding the Fourth Proportional to 38,762.93, 58,107.48 and 12,449.21

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Solution

The fourth proportional to 38,762.93, 58,107.48 and 12,449.21 is: 18,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,762.93 : 58,107.48 = 12,449.21 : x
  2. Step 2: Convert to fraction form
    38,762.93/58,107.48 = 12,449.21/x
  3. Step 3: Cross multiply
    38,762.93x = 58,107.48 × 12,449.21
  4. Step 4: Simplify right side
    38,762.93x = 723,392,455.86
  5. Step 5: Solve for x
    x = 723,392,455.86/38,762.93
  6. Step 6: Final answer
    x = 18,661.97

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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.