Home / 38,225.69-57,312.36-19,469.42

Finding the Fourth Proportional to 38,225.69, 57,312.36 and 19,469.42

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Solution

The fourth proportional to 38,225.69, 57,312.36 and 19,469.42 is: 29,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,225.69 : 57,312.36 = 19,469.42 : x
  2. Step 2: Convert to fraction form
    38,225.69/57,312.36 = 19,469.42/x
  3. Step 3: Cross multiply
    38,225.69x = 57,312.36 × 19,469.42
  4. Step 4: Simplify right side
    38,225.69x = 1,115,838,121.47
  5. Step 5: Solve for x
    x = 1,115,838,121.47/38,225.69
  6. Step 6: Final answer
    x = 29,190.79

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1.5x scale

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.