Home / 38,469.67-53,089.23-21,473.56

Finding the Fourth Proportional to 38,469.67, 53,089.23 and 21,473.56

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Solution

The fourth proportional to 38,469.67, 53,089.23 and 21,473.56 is: 29,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469.67 : 53,089.23 = 21,473.56 : x
  2. Step 2: Convert to fraction form
    38,469.67/53,089.23 = 21,473.56/x
  3. Step 3: Cross multiply
    38,469.67x = 53,089.23 × 21,473.56
  4. Step 4: Simplify right side
    38,469.67x = 1,140,014,765.76
  5. Step 5: Solve for x
    x = 1,140,014,765.76/38,469.67
  6. Step 6: Final answer
    x = 29,634.12

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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.