Home / 30,817.54-42,525.07-17,892.34

Finding the Fourth Proportional to 30,817.54, 42,525.07 and 17,892.34

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Solution

The fourth proportional to 30,817.54, 42,525.07 and 17,892.34 is: 24,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,817.54 : 42,525.07 = 17,892.34 : x
  2. Step 2: Convert to fraction form
    30,817.54/42,525.07 = 17,892.34/x
  3. Step 3: Cross multiply
    30,817.54x = 42,525.07 × 17,892.34
  4. Step 4: Simplify right side
    30,817.54x = 760,873,010.96
  5. Step 5: Solve for x
    x = 760,873,010.96/30,817.54
  6. Step 6: Final answer
    x = 24,689.61

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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.