Home / 30,561.39-42,173.52-17,313.39

Finding the Fourth Proportional to 30,561.39, 42,173.52 and 17,313.39

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Solution

The fourth proportional to 30,561.39, 42,173.52 and 17,313.39 is: 23,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,561.39 : 42,173.52 = 17,313.39 : x
  2. Step 2: Convert to fraction form
    30,561.39/42,173.52 = 17,313.39/x
  3. Step 3: Cross multiply
    30,561.39x = 42,173.52 × 17,313.39
  4. Step 4: Simplify right side
    30,561.39x = 730,166,512.87
  5. Step 5: Solve for x
    x = 730,166,512.87/30,561.39
  6. Step 6: Final answer
    x = 23,891.80

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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.