Home / 39,178.12-58,776.90-11,476.12

Finding the Fourth Proportional to 39,178.12, 58,776.90 and 11,476.12

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Solution

The fourth proportional to 39,178.12, 58,776.90 and 11,476.12 is: 17,217.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.12 : 58,776.90 = 11,476.12 : x
  2. Step 2: Convert to fraction form
    39,178.12/58,776.90 = 11,476.12/x
  3. Step 3: Cross multiply
    39,178.12x = 58,776.90 × 11,476.12
  4. Step 4: Simplify right side
    39,178.12x = 674,530,757.63
  5. Step 5: Solve for x
    x = 674,530,757.63/39,178.12
  6. Step 6: Final answer
    x = 17,217.03

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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.