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Finding the Fourth Proportional to 33,988.63, 50,988.13 and 17,339.58

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Solution

The fourth proportional to 33,988.63, 50,988.13 and 17,339.58 is: 26,012.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,988.63 : 50,988.13 = 17,339.58 : x
  2. Step 2: Convert to fraction form
    33,988.63/50,988.13 = 17,339.58/x
  3. Step 3: Cross multiply
    33,988.63x = 50,988.13 × 17,339.58
  4. Step 4: Simplify right side
    33,988.63x = 884,112,759.19
  5. Step 5: Solve for x
    x = 884,112,759.19/33,988.63
  6. Step 6: Final answer
    x = 26,012.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.