Home / 30,139.37-41,583.98-17,391.66

Finding the Fourth Proportional to 30,139.37, 41,583.98 and 17,391.66

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Solution

The fourth proportional to 30,139.37, 41,583.98 and 17,391.66 is: 23,995.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,139.37 : 41,583.98 = 17,391.66 : x
  2. Step 2: Convert to fraction form
    30,139.37/41,583.98 = 17,391.66/x
  3. Step 3: Cross multiply
    30,139.37x = 41,583.98 × 17,391.66
  4. Step 4: Simplify right side
    30,139.37x = 723,214,563.06
  5. Step 5: Solve for x
    x = 723,214,563.06/30,139.37
  6. Step 6: Final answer
    x = 23,995.68

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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.