Home / 36,123.66-54,171.51-12,426.72

Finding the Fourth Proportional to 36,123.66, 54,171.51 and 12,426.72

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Solution

The fourth proportional to 36,123.66, 54,171.51 and 12,426.72 is: 18,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,123.66 : 54,171.51 = 12,426.72 : x
  2. Step 2: Convert to fraction form
    36,123.66/54,171.51 = 12,426.72/x
  3. Step 3: Cross multiply
    36,123.66x = 54,171.51 × 12,426.72
  4. Step 4: Simplify right side
    36,123.66x = 673,174,186.75
  5. Step 5: Solve for x
    x = 673,174,186.75/36,123.66
  6. Step 6: Final answer
    x = 18,635.27

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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.