Home / 36,906.40-55,359.60-12,282.40

Finding the Fourth Proportional to 36,906.40, 55,359.60 and 12,282.40

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Solution

The fourth proportional to 36,906.40, 55,359.60 and 12,282.40 is: 18,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,906.40 : 55,359.60 = 12,282.40 : x
  2. Step 2: Convert to fraction form
    36,906.40/55,359.60 = 12,282.40/x
  3. Step 3: Cross multiply
    36,906.40x = 55,359.60 × 12,282.40
  4. Step 4: Simplify right side
    36,906.40x = 679,948,751.04
  5. Step 5: Solve for x
    x = 679,948,751.04/36,906.40
  6. Step 6: Final answer
    x = 18,423.60

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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.