Home / 33,628.62-46,366.38-21,031.50

Finding the Fourth Proportional to 33,628.62, 46,366.38 and 21,031.50

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Solution

The fourth proportional to 33,628.62, 46,366.38 and 21,031.50 is: 28,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,628.62 : 46,366.38 = 21,031.50 : x
  2. Step 2: Convert to fraction form
    33,628.62/46,366.38 = 21,031.50/x
  3. Step 3: Cross multiply
    33,628.62x = 46,366.38 × 21,031.50
  4. Step 4: Simplify right side
    33,628.62x = 975,154,520.97
  5. Step 5: Solve for x
    x = 975,154,520.97/33,628.62
  6. Step 6: Final answer
    x = 28,997.76

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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.