Home / 30,882.88-42,618.36-16,735.60

Finding the Fourth Proportional to 30,882.88, 42,618.36 and 16,735.60

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Solution

The fourth proportional to 30,882.88, 42,618.36 and 16,735.60 is: 23,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.88 : 42,618.36 = 16,735.60 : x
  2. Step 2: Convert to fraction form
    30,882.88/42,618.36 = 16,735.60/x
  3. Step 3: Cross multiply
    30,882.88x = 42,618.36 × 16,735.60
  4. Step 4: Simplify right side
    30,882.88x = 713,243,825.62
  5. Step 5: Solve for x
    x = 713,243,825.62/30,882.88
  6. Step 6: Final answer
    x = 23,095.12

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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.