Home / 39,641.28-54,676.32-33,663.52

Finding the Fourth Proportional to 39,641.28, 54,676.32 and 33,663.52

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Solution

The fourth proportional to 39,641.28, 54,676.32 and 33,663.52 is: 46,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,641.28 : 54,676.32 = 33,663.52 : x
  2. Step 2: Convert to fraction form
    39,641.28/54,676.32 = 33,663.52/x
  3. Step 3: Cross multiply
    39,641.28x = 54,676.32 × 33,663.52
  4. Step 4: Simplify right side
    39,641.28x = 1,840,597,391.85
  5. Step 5: Solve for x
    x = 1,840,597,391.85/39,641.28
  6. Step 6: Final answer
    x = 46,431.33

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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.