Home / 42,136.23-63,204.30-17,170.86

Finding the Fourth Proportional to 42,136.23, 63,204.30 and 17,170.86

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Solution

The fourth proportional to 42,136.23, 63,204.30 and 17,170.86 is: 25,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,136.23 : 63,204.30 = 17,170.86 : x
  2. Step 2: Convert to fraction form
    42,136.23/63,204.30 = 17,170.86/x
  3. Step 3: Cross multiply
    42,136.23x = 63,204.30 × 17,170.86
  4. Step 4: Simplify right side
    42,136.23x = 1,085,272,186.70
  5. Step 5: Solve for x
    x = 1,085,272,186.70/42,136.23
  6. Step 6: Final answer
    x = 25,756.27

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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.