Home / 39,765.31-54,834.49-29,677.57

Finding the Fourth Proportional to 39,765.31, 54,834.49 and 29,677.57

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Solution

The fourth proportional to 39,765.31, 54,834.49 and 29,677.57 is: 40,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.31 : 54,834.49 = 29,677.57 : x
  2. Step 2: Convert to fraction form
    39,765.31/54,834.49 = 29,677.57/x
  3. Step 3: Cross multiply
    39,765.31x = 54,834.49 × 29,677.57
  4. Step 4: Simplify right side
    39,765.31x = 1,627,354,415.39
  5. Step 5: Solve for x
    x = 1,627,354,415.39/39,765.31
  6. Step 6: Final answer
    x = 40,923.97

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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.