Home / 30,072.52-41,500.74-19,480.57

Finding the Fourth Proportional to 30,072.52, 41,500.74 and 19,480.57

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Solution

The fourth proportional to 30,072.52, 41,500.74 and 19,480.57 is: 26,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.52 : 41,500.74 = 19,480.57 : x
  2. Step 2: Convert to fraction form
    30,072.52/41,500.74 = 19,480.57/x
  3. Step 3: Cross multiply
    30,072.52x = 41,500.74 × 19,480.57
  4. Step 4: Simplify right side
    30,072.52x = 808,458,070.62
  5. Step 5: Solve for x
    x = 808,458,070.62/30,072.52
  6. Step 6: Final answer
    x = 26,883.62

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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.