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Finding the Fourth Proportional to 33,588.71, 46,302.73 and 21,487.88

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Solution

The fourth proportional to 33,588.71, 46,302.73 and 21,487.88 is: 29,621.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,588.71 : 46,302.73 = 21,487.88 : x
  2. Step 2: Convert to fraction form
    33,588.71/46,302.73 = 21,487.88/x
  3. Step 3: Cross multiply
    33,588.71x = 46,302.73 × 21,487.88
  4. Step 4: Simplify right side
    33,588.71x = 994,947,567.95
  5. Step 5: Solve for x
    x = 994,947,567.95/33,588.71
  6. Step 6: Final answer
    x = 29,621.49

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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.