Home / 39,407.05-54,379.65-22,408.93

Finding the Fourth Proportional to 39,407.05, 54,379.65 and 22,408.93

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Solution

The fourth proportional to 39,407.05, 54,379.65 and 22,408.93 is: 30,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,407.05 : 54,379.65 = 22,408.93 : x
  2. Step 2: Convert to fraction form
    39,407.05/54,379.65 = 22,408.93/x
  3. Step 3: Cross multiply
    39,407.05x = 54,379.65 × 22,408.93
  4. Step 4: Simplify right side
    39,407.05x = 1,218,589,770.27
  5. Step 5: Solve for x
    x = 1,218,589,770.27/39,407.05
  6. Step 6: Final answer
    x = 30,923.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.