Home / 39,379.68-54,341.82-22,612.68

Finding the Fourth Proportional to 39,379.68, 54,341.82 and 22,612.68

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Solution

The fourth proportional to 39,379.68, 54,341.82 and 22,612.68 is: 31,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.68 : 54,341.82 = 22,612.68 : x
  2. Step 2: Convert to fraction form
    39,379.68/54,341.82 = 22,612.68/x
  3. Step 3: Cross multiply
    39,379.68x = 54,341.82 × 22,612.68
  4. Step 4: Simplify right side
    39,379.68x = 1,228,814,186.28
  5. Step 5: Solve for x
    x = 1,228,814,186.28/39,379.68
  6. Step 6: Final answer
    x = 31,204.27

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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.