Home / 30,942.26-42,700.36-16,795.11

Finding the Fourth Proportional to 30,942.26, 42,700.36 and 16,795.11

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Solution

The fourth proportional to 30,942.26, 42,700.36 and 16,795.11 is: 23,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,942.26 : 42,700.36 = 16,795.11 : x
  2. Step 2: Convert to fraction form
    30,942.26/42,700.36 = 16,795.11/x
  3. Step 3: Cross multiply
    30,942.26x = 42,700.36 × 16,795.11
  4. Step 4: Simplify right side
    30,942.26x = 717,157,243.24
  5. Step 5: Solve for x
    x = 717,157,243.24/30,942.26
  6. Step 6: Final answer
    x = 23,177.27

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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.