Home / 36,051.28-54,082.68-12,678.48

Finding the Fourth Proportional to 36,051.28, 54,082.68 and 12,678.48

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Solution

The fourth proportional to 36,051.28, 54,082.68 and 12,678.48 is: 19,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,051.28 : 54,082.68 = 12,678.48 : x
  2. Step 2: Convert to fraction form
    36,051.28/54,082.68 = 12,678.48/x
  3. Step 3: Cross multiply
    36,051.28x = 54,082.68 × 12,678.48
  4. Step 4: Simplify right side
    36,051.28x = 685,686,176.73
  5. Step 5: Solve for x
    x = 685,686,176.73/36,051.28
  6. Step 6: Final answer
    x = 19,019.75

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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.