Home / 30,755.58-42,433.92-17,322.14

Finding the Fourth Proportional to 30,755.58, 42,433.92 and 17,322.14

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Solution

The fourth proportional to 30,755.58, 42,433.92 and 17,322.14 is: 23,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,755.58 : 42,433.92 = 17,322.14 : x
  2. Step 2: Convert to fraction form
    30,755.58/42,433.92 = 17,322.14/x
  3. Step 3: Cross multiply
    30,755.58x = 42,433.92 × 17,322.14
  4. Step 4: Simplify right side
    30,755.58x = 735,046,302.99
  5. Step 5: Solve for x
    x = 735,046,302.99/30,755.58
  6. Step 6: Final answer
    x = 23,899.61

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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.