Home / 39,523.71-54,562.64-30,550.95

Finding the Fourth Proportional to 39,523.71, 54,562.64 and 30,550.95

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Solution

The fourth proportional to 39,523.71, 54,562.64 and 30,550.95 is: 42,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,523.71 : 54,562.64 = 30,550.95 : x
  2. Step 2: Convert to fraction form
    39,523.71/54,562.64 = 30,550.95/x
  3. Step 3: Cross multiply
    39,523.71x = 54,562.64 × 30,550.95
  4. Step 4: Simplify right side
    39,523.71x = 1,666,940,333.75
  5. Step 5: Solve for x
    x = 1,666,940,333.75/39,523.71
  6. Step 6: Final answer
    x = 42,175.71

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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.