Home / 37,231.36-55,855.28-12,279.12

Finding the Fourth Proportional to 37,231.36, 55,855.28 and 12,279.12

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Solution

The fourth proportional to 37,231.36, 55,855.28 and 12,279.12 is: 18,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,231.36 : 55,855.28 = 12,279.12 : x
  2. Step 2: Convert to fraction form
    37,231.36/55,855.28 = 12,279.12/x
  3. Step 3: Cross multiply
    37,231.36x = 55,855.28 × 12,279.12
  4. Step 4: Simplify right side
    37,231.36x = 685,853,685.75
  5. Step 5: Solve for x
    x = 685,853,685.75/37,231.36
  6. Step 6: Final answer
    x = 18,421.40

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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.