Home / 30,881.35-42,612.84-17,452.57

Finding the Fourth Proportional to 30,881.35, 42,612.84 and 17,452.57

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Solution

The fourth proportional to 30,881.35, 42,612.84 and 17,452.57 is: 24,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.35 : 42,612.84 = 17,452.57 : x
  2. Step 2: Convert to fraction form
    30,881.35/42,612.84 = 17,452.57/x
  3. Step 3: Cross multiply
    30,881.35x = 42,612.84 × 17,452.57
  4. Step 4: Simplify right side
    30,881.35x = 743,703,573.00
  5. Step 5: Solve for x
    x = 743,703,573.00/30,881.35
  6. Step 6: Final answer
    x = 24,082.61

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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.