Home / 38,675.20-53,299.54-30,163.89

Finding the Fourth Proportional to 38,675.20, 53,299.54 and 30,163.89

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Solution

The fourth proportional to 38,675.20, 53,299.54 and 30,163.89 is: 41,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,675.20 : 53,299.54 = 30,163.89 : x
  2. Step 2: Convert to fraction form
    38,675.20/53,299.54 = 30,163.89/x
  3. Step 3: Cross multiply
    38,675.20x = 53,299.54 × 30,163.89
  4. Step 4: Simplify right side
    38,675.20x = 1,607,721,784.02
  5. Step 5: Solve for x
    x = 1,607,721,784.02/38,675.20
  6. Step 6: Final answer
    x = 41,569.84

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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.