Home / 39,403.26-54,379.72-22,412.82

Finding the Fourth Proportional to 39,403.26, 54,379.72 and 22,412.82

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Solution

The fourth proportional to 39,403.26, 54,379.72 and 22,412.82 is: 30,931.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.26 : 54,379.72 = 22,412.82 : x
  2. Step 2: Convert to fraction form
    39,403.26/54,379.72 = 22,412.82/x
  3. Step 3: Cross multiply
    39,403.26x = 54,379.72 × 22,412.82
  4. Step 4: Simplify right side
    39,403.26x = 1,218,802,604.11
  5. Step 5: Solve for x
    x = 1,218,802,604.11/39,403.26
  6. Step 6: Final answer
    x = 30,931.52

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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.