Home / 38,121.90-57,145.95-17,050.02

Finding the Fourth Proportional to 38,121.90, 57,145.95 and 17,050.02

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Solution

The fourth proportional to 38,121.90, 57,145.95 and 17,050.02 is: 25,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,121.90 : 57,145.95 = 17,050.02 : x
  2. Step 2: Convert to fraction form
    38,121.90/57,145.95 = 17,050.02/x
  3. Step 3: Cross multiply
    38,121.90x = 57,145.95 × 17,050.02
  4. Step 4: Simplify right side
    38,121.90x = 974,339,590.42
  5. Step 5: Solve for x
    x = 974,339,590.42/38,121.90
  6. Step 6: Final answer
    x = 25,558.53

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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.