Home / 38,469.62-53,089.68-21,474.81

Finding the Fourth Proportional to 38,469.62, 53,089.68 and 21,474.81

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Solution

The fourth proportional to 38,469.62, 53,089.68 and 21,474.81 is: 29,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469.62 : 53,089.68 = 21,474.81 : x
  2. Step 2: Convert to fraction form
    38,469.62/53,089.68 = 21,474.81/x
  3. Step 3: Cross multiply
    38,469.62x = 53,089.68 × 21,474.81
  4. Step 4: Simplify right side
    38,469.62x = 1,140,090,790.96
  5. Step 5: Solve for x
    x = 1,140,090,790.96/38,469.62
  6. Step 6: Final answer
    x = 29,636.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.