Home / 36,226.60-54,339.90-12,855.40

Finding the Fourth Proportional to 36,226.60, 54,339.90 and 12,855.40

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Solution

The fourth proportional to 36,226.60, 54,339.90 and 12,855.40 is: 19,283.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,226.60 : 54,339.90 = 12,855.40 : x
  2. Step 2: Convert to fraction form
    36,226.60/54,339.90 = 12,855.40/x
  3. Step 3: Cross multiply
    36,226.60x = 54,339.90 × 12,855.40
  4. Step 4: Simplify right side
    36,226.60x = 698,561,150.46
  5. Step 5: Solve for x
    x = 698,561,150.46/36,226.60
  6. Step 6: Final answer
    x = 19,283.10

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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.