Home / 38,276.84-57,401.22-13,310.12

Finding the Fourth Proportional to 38,276.84, 57,401.22 and 13,310.12

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Solution

The fourth proportional to 38,276.84, 57,401.22 and 13,310.12 is: 19,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.84 : 57,401.22 = 13,310.12 : x
  2. Step 2: Convert to fraction form
    38,276.84/57,401.22 = 13,310.12/x
  3. Step 3: Cross multiply
    38,276.84x = 57,401.22 × 13,310.12
  4. Step 4: Simplify right side
    38,276.84x = 764,017,126.35
  5. Step 5: Solve for x
    x = 764,017,126.35/38,276.84
  6. Step 6: Final answer
    x = 19,960.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.