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Finding the Fourth Proportional to 29,683.60, 44,525.97 and 13,879.90

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Solution

The fourth proportional to 29,683.60, 44,525.97 and 13,879.90 is: 20,820.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,683.60 : 44,525.97 = 13,879.90 : x
  2. Step 2: Convert to fraction form
    29,683.60/44,525.97 = 13,879.90/x
  3. Step 3: Cross multiply
    29,683.60x = 44,525.97 × 13,879.90
  4. Step 4: Simplify right side
    29,683.60x = 618,016,011.00
  5. Step 5: Solve for x
    x = 618,016,011.00/29,683.60
  6. Step 6: Final answer
    x = 20,820.12

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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.