Home / 36,146.86-54,235.88-13,975.84

Finding the Fourth Proportional to 36,146.86, 54,235.88 and 13,975.84

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Solution

The fourth proportional to 36,146.86, 54,235.88 and 13,975.84 is: 20,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,146.86 : 54,235.88 = 13,975.84 : x
  2. Step 2: Convert to fraction form
    36,146.86/54,235.88 = 13,975.84/x
  3. Step 3: Cross multiply
    36,146.86x = 54,235.88 × 13,975.84
  4. Step 4: Simplify right side
    36,146.86x = 757,992,031.46
  5. Step 5: Solve for x
    x = 757,992,031.46/36,146.86
  6. Step 6: Final answer
    x = 20,969.79

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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.