Home / 30,672.52-42,329.64-17,245.96

Finding the Fourth Proportional to 30,672.52, 42,329.64 and 17,245.96

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Solution

The fourth proportional to 30,672.52, 42,329.64 and 17,245.96 is: 23,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,672.52 : 42,329.64 = 17,245.96 : x
  2. Step 2: Convert to fraction form
    30,672.52/42,329.64 = 17,245.96/x
  3. Step 3: Cross multiply
    30,672.52x = 42,329.64 × 17,245.96
  4. Step 4: Simplify right side
    30,672.52x = 730,015,278.25
  5. Step 5: Solve for x
    x = 730,015,278.25/30,672.52
  6. Step 6: Final answer
    x = 23,800.30

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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.