Home / 30,951.65-42,714.29-17,522.61

Finding the Fourth Proportional to 30,951.65, 42,714.29 and 17,522.61

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Solution

The fourth proportional to 30,951.65, 42,714.29 and 17,522.61 is: 24,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,951.65 : 42,714.29 = 17,522.61 : x
  2. Step 2: Convert to fraction form
    30,951.65/42,714.29 = 17,522.61/x
  3. Step 3: Cross multiply
    30,951.65x = 42,714.29 × 17,522.61
  4. Step 4: Simplify right side
    30,951.65x = 748,465,757.48
  5. Step 5: Solve for x
    x = 748,465,757.48/30,951.65
  6. Step 6: Final answer
    x = 24,181.78

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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.