Home / 30,474.39-42,054.48-17,047.11

Finding the Fourth Proportional to 30,474.39, 42,054.48 and 17,047.11

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Solution

The fourth proportional to 30,474.39, 42,054.48 and 17,047.11 is: 23,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.39 : 42,054.48 = 17,047.11 : x
  2. Step 2: Convert to fraction form
    30,474.39/42,054.48 = 17,047.11/x
  3. Step 3: Cross multiply
    30,474.39x = 42,054.48 × 17,047.11
  4. Step 4: Simplify right side
    30,474.39x = 716,907,346.55
  5. Step 5: Solve for x
    x = 716,907,346.55/30,474.39
  6. Step 6: Final answer
    x = 23,524.91

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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.