Home / 30,850.77-42,572.49-17,236.40

Finding the Fourth Proportional to 30,850.77, 42,572.49 and 17,236.40

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Solution

The fourth proportional to 30,850.77, 42,572.49 and 17,236.40 is: 23,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.77 : 42,572.49 = 17,236.40 : x
  2. Step 2: Convert to fraction form
    30,850.77/42,572.49 = 17,236.40/x
  3. Step 3: Cross multiply
    30,850.77x = 42,572.49 × 17,236.40
  4. Step 4: Simplify right side
    30,850.77x = 733,796,189.14
  5. Step 5: Solve for x
    x = 733,796,189.14/30,850.77
  6. Step 6: Final answer
    x = 23,785.34

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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.