Home / 33,337.52-45,963.96-21,379.76

Finding the Fourth Proportional to 33,337.52, 45,963.96 and 21,379.76

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Solution

The fourth proportional to 33,337.52, 45,963.96 and 21,379.76 is: 29,477.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,337.52 : 45,963.96 = 21,379.76 : x
  2. Step 2: Convert to fraction form
    33,337.52/45,963.96 = 21,379.76/x
  3. Step 3: Cross multiply
    33,337.52x = 45,963.96 × 21,379.76
  4. Step 4: Simplify right side
    33,337.52x = 982,698,433.45
  5. Step 5: Solve for x
    x = 982,698,433.45/33,337.52
  6. Step 6: Final answer
    x = 29,477.25

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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.