Home / 39,677.43-54,751.37-22,678.30

Finding the Fourth Proportional to 39,677.43, 54,751.37 and 22,678.30

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Solution

The fourth proportional to 39,677.43, 54,751.37 and 22,678.30 is: 31,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,677.43 : 54,751.37 = 22,678.30 : x
  2. Step 2: Convert to fraction form
    39,677.43/54,751.37 = 22,678.30/x
  3. Step 3: Cross multiply
    39,677.43x = 54,751.37 × 22,678.30
  4. Step 4: Simplify right side
    39,677.43x = 1,241,667,994.27
  5. Step 5: Solve for x
    x = 1,241,667,994.27/39,677.43
  6. Step 6: Final answer
    x = 31,294.06

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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.