Home / 30,072.24-41,501.16-18,139.41

Finding the Fourth Proportional to 30,072.24, 41,501.16 and 18,139.41

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Solution

The fourth proportional to 30,072.24, 41,501.16 and 18,139.41 is: 25,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.24 : 41,501.16 = 18,139.41 : x
  2. Step 2: Convert to fraction form
    30,072.24/41,501.16 = 18,139.41/x
  3. Step 3: Cross multiply
    30,072.24x = 41,501.16 × 18,139.41
  4. Step 4: Simplify right side
    30,072.24x = 752,806,556.72
  5. Step 5: Solve for x
    x = 752,806,556.72/30,072.24
  6. Step 6: Final answer
    x = 25,033.27

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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.