Home / 39,678.22-54,755.94-22,682.84

Finding the Fourth Proportional to 39,678.22, 54,755.94 and 22,682.84

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Solution

The fourth proportional to 39,678.22, 54,755.94 and 22,682.84 is: 31,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.22 : 54,755.94 = 22,682.84 : x
  2. Step 2: Convert to fraction form
    39,678.22/54,755.94 = 22,682.84/x
  3. Step 3: Cross multiply
    39,678.22x = 54,755.94 × 22,682.84
  4. Step 4: Simplify right side
    39,678.22x = 1,242,020,226.07
  5. Step 5: Solve for x
    x = 1,242,020,226.07/39,678.22
  6. Step 6: Final answer
    x = 31,302.32

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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.