Home / 39,642.28-54,677.70-33,664.52

Finding the Fourth Proportional to 39,642.28, 54,677.70 and 33,664.52

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Solution

The fourth proportional to 39,642.28, 54,677.70 and 33,664.52 is: 46,432.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642.28 : 54,677.70 = 33,664.52 : x
  2. Step 2: Convert to fraction form
    39,642.28/54,677.70 = 33,664.52/x
  3. Step 3: Cross multiply
    39,642.28x = 54,677.70 × 33,664.52
  4. Step 4: Simplify right side
    39,642.28x = 1,840,698,525.20
  5. Step 5: Solve for x
    x = 1,840,698,525.20/39,642.28
  6. Step 6: Final answer
    x = 46,432.71

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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.