Home / 30,187.80-41,699.79-23,201.55

Finding the Fourth Proportional to 30,187.80, 41,699.79 and 23,201.55

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Solution

The fourth proportional to 30,187.80, 41,699.79 and 23,201.55 is: 32,049.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,187.80 : 41,699.79 = 23,201.55 : x
  2. Step 2: Convert to fraction form
    30,187.80/41,699.79 = 23,201.55/x
  3. Step 3: Cross multiply
    30,187.80x = 41,699.79 × 23,201.55
  4. Step 4: Simplify right side
    30,187.80x = 967,499,762.67
  5. Step 5: Solve for x
    x = 967,499,762.67/30,187.80
  6. Step 6: Final answer
    x = 32,049.36

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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.