Home / 33,332.94-45,977.67-21,377.34

Finding the Fourth Proportional to 33,332.94, 45,977.67 and 21,377.34

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Solution

The fourth proportional to 33,332.94, 45,977.67 and 21,377.34 is: 29,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,332.94 : 45,977.67 = 21,377.34 : x
  2. Step 2: Convert to fraction form
    33,332.94/45,977.67 = 21,377.34/x
  3. Step 3: Cross multiply
    33,332.94x = 45,977.67 × 21,377.34
  4. Step 4: Simplify right side
    33,332.94x = 982,880,284.00
  5. Step 5: Solve for x
    x = 982,880,284.00/33,332.94
  6. Step 6: Final answer
    x = 29,486.76

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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.