Home / 30,677.54-42,336.27-17,249.36

Finding the Fourth Proportional to 30,677.54, 42,336.27 and 17,249.36

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Solution

The fourth proportional to 30,677.54, 42,336.27 and 17,249.36 is: 23,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677.54 : 42,336.27 = 17,249.36 : x
  2. Step 2: Convert to fraction form
    30,677.54/42,336.27 = 17,249.36/x
  3. Step 3: Cross multiply
    30,677.54x = 42,336.27 × 17,249.36
  4. Step 4: Simplify right side
    30,677.54x = 730,273,350.61
  5. Step 5: Solve for x
    x = 730,273,350.61/30,677.54
  6. Step 6: Final answer
    x = 23,804.82

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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.