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Finding the Fourth Proportional to 33,660.34, 46,451.03 and 18,553

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Solution

The fourth proportional to 33,660.34, 46,451.03 and 18,553 is: 25,603.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,660.34 : 46,451.03 = 18,553 : x
  2. Step 2: Convert to fraction form
    33,660.34/46,451.03 = 18,553/x
  3. Step 3: Cross multiply
    33,660.34x = 46,451.03 × 18,553
  4. Step 4: Simplify right side
    33,660.34x = 861,805,959.59
  5. Step 5: Solve for x
    x = 861,805,959.59/33,660.34
  6. Step 6: Final answer
    x = 25,603.01

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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.