Home / 42,172.75-63,241.71-17,195.86

Finding the Fourth Proportional to 42,172.75, 63,241.71 and 17,195.86

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Solution

The fourth proportional to 42,172.75, 63,241.71 and 17,195.86 is: 25,786.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,172.75 : 63,241.71 = 17,195.86 : x
  2. Step 2: Convert to fraction form
    42,172.75/63,241.71 = 17,195.86/x
  3. Step 3: Cross multiply
    42,172.75x = 63,241.71 × 17,195.86
  4. Step 4: Simplify right side
    42,172.75x = 1,087,495,591.32
  5. Step 5: Solve for x
    x = 1,087,495,591.32/42,172.75
  6. Step 6: Final answer
    x = 25,786.69

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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.