Home / 30,611.52-42,245.96-17,000.28

Finding the Fourth Proportional to 30,611.52, 42,245.96 and 17,000.28

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Solution

The fourth proportional to 30,611.52, 42,245.96 and 17,000.28 is: 23,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.52 : 42,245.96 = 17,000.28 : x
  2. Step 2: Convert to fraction form
    30,611.52/42,245.96 = 17,000.28/x
  3. Step 3: Cross multiply
    30,611.52x = 42,245.96 × 17,000.28
  4. Step 4: Simplify right side
    30,611.52x = 718,193,063.87
  5. Step 5: Solve for x
    x = 718,193,063.87/30,611.52
  6. Step 6: Final answer
    x = 23,461.53

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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.