Home / 38,863.08-58,288.43-13,898.48

Finding the Fourth Proportional to 38,863.08, 58,288.43 and 13,898.48

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Solution

The fourth proportional to 38,863.08, 58,288.43 and 13,898.48 is: 20,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,863.08 : 58,288.43 = 13,898.48 : x
  2. Step 2: Convert to fraction form
    38,863.08/58,288.43 = 13,898.48/x
  3. Step 3: Cross multiply
    38,863.08x = 58,288.43 × 13,898.48
  4. Step 4: Simplify right side
    38,863.08x = 810,120,321.89
  5. Step 5: Solve for x
    x = 810,120,321.89/38,863.08
  6. Step 6: Final answer
    x = 20,845.50

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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.