Home / 38,329.38-57,489.21-28,483.02

Finding the Fourth Proportional to 38,329.38, 57,489.21 and 28,483.02

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Solution

The fourth proportional to 38,329.38, 57,489.21 and 28,483.02 is: 42,720.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,329.38 : 57,489.21 = 28,483.02 : x
  2. Step 2: Convert to fraction form
    38,329.38/57,489.21 = 28,483.02/x
  3. Step 3: Cross multiply
    38,329.38x = 57,489.21 × 28,483.02
  4. Step 4: Simplify right side
    38,329.38x = 1,637,466,318.21
  5. Step 5: Solve for x
    x = 1,637,466,318.21/38,329.38
  6. Step 6: Final answer
    x = 42,720.92

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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.