Home / 39,214.56-58,821.84-11,512.80

Finding the Fourth Proportional to 39,214.56, 58,821.84 and 11,512.80

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Solution

The fourth proportional to 39,214.56, 58,821.84 and 11,512.80 is: 17,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,214.56 : 58,821.84 = 11,512.80 : x
  2. Step 2: Convert to fraction form
    39,214.56/58,821.84 = 11,512.80/x
  3. Step 3: Cross multiply
    39,214.56x = 58,821.84 × 11,512.80
  4. Step 4: Simplify right side
    39,214.56x = 677,204,079.55
  5. Step 5: Solve for x
    x = 677,204,079.55/39,214.56
  6. Step 6: Final answer
    x = 17,269.20

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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.