Home / 36,158.80-54,238.68-12,768.88

Finding the Fourth Proportional to 36,158.80, 54,238.68 and 12,768.88

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Solution

The fourth proportional to 36,158.80, 54,238.68 and 12,768.88 is: 19,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,158.80 : 54,238.68 = 12,768.88 : x
  2. Step 2: Convert to fraction form
    36,158.80/54,238.68 = 12,768.88/x
  3. Step 3: Cross multiply
    36,158.80x = 54,238.68 × 12,768.88
  4. Step 4: Simplify right side
    36,158.80x = 692,567,196.28
  5. Step 5: Solve for x
    x = 692,567,196.28/36,158.80
  6. Step 6: Final answer
    x = 19,153.49

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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.