Home / 30,892.23-42,634.62-17,285.22

Finding the Fourth Proportional to 30,892.23, 42,634.62 and 17,285.22

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Solution

The fourth proportional to 30,892.23, 42,634.62 and 17,285.22 is: 23,855.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,892.23 : 42,634.62 = 17,285.22 : x
  2. Step 2: Convert to fraction form
    30,892.23/42,634.62 = 17,285.22/x
  3. Step 3: Cross multiply
    30,892.23x = 42,634.62 × 17,285.22
  4. Step 4: Simplify right side
    30,892.23x = 736,948,786.32
  5. Step 5: Solve for x
    x = 736,948,786.32/30,892.23
  6. Step 6: Final answer
    x = 23,855.47

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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.