Home / 36,434.86-54,665.34-12,745.84

Finding the Fourth Proportional to 36,434.86, 54,665.34 and 12,745.84

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Solution

The fourth proportional to 36,434.86, 54,665.34 and 12,745.84 is: 19,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,434.86 : 54,665.34 = 12,745.84 : x
  2. Step 2: Convert to fraction form
    36,434.86/54,665.34 = 12,745.84/x
  3. Step 3: Cross multiply
    36,434.86x = 54,665.34 × 12,745.84
  4. Step 4: Simplify right side
    36,434.86x = 696,755,677.19
  5. Step 5: Solve for x
    x = 696,755,677.19/36,434.86
  6. Step 6: Final answer
    x = 19,123.33

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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.