Home / 30,530.98-42,133.44-17,101.54

Finding the Fourth Proportional to 30,530.98, 42,133.44 and 17,101.54

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Solution

The fourth proportional to 30,530.98, 42,133.44 and 17,101.54 is: 23,600.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,530.98 : 42,133.44 = 17,101.54 : x
  2. Step 2: Convert to fraction form
    30,530.98/42,133.44 = 17,101.54/x
  3. Step 3: Cross multiply
    30,530.98x = 42,133.44 × 17,101.54
  4. Step 4: Simplify right side
    30,530.98x = 720,546,709.50
  5. Step 5: Solve for x
    x = 720,546,709.50/30,530.98
  6. Step 6: Final answer
    x = 23,600.51

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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.