Home / 30,633.75-42,273.77-17,206.47

Finding the Fourth Proportional to 30,633.75, 42,273.77 and 17,206.47

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Solution

The fourth proportional to 30,633.75, 42,273.77 and 17,206.47 is: 23,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,633.75 : 42,273.77 = 17,206.47 : x
  2. Step 2: Convert to fraction form
    30,633.75/42,273.77 = 17,206.47/x
  3. Step 3: Cross multiply
    30,633.75x = 42,273.77 × 17,206.47
  4. Step 4: Simplify right side
    30,633.75x = 727,382,269.26
  5. Step 5: Solve for x
    x = 727,382,269.26/30,633.75
  6. Step 6: Final answer
    x = 23,744.47

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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.