Home / 42,170.22-63,255.33-12,588.62

Finding the Fourth Proportional to 42,170.22, 63,255.33 and 12,588.62

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Solution

The fourth proportional to 42,170.22, 63,255.33 and 12,588.62 is: 18,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170.22 : 63,255.33 = 12,588.62 : x
  2. Step 2: Convert to fraction form
    42,170.22/63,255.33 = 12,588.62/x
  3. Step 3: Cross multiply
    42,170.22x = 63,255.33 × 12,588.62
  4. Step 4: Simplify right side
    42,170.22x = 796,296,996.07
  5. Step 5: Solve for x
    x = 796,296,996.07/42,170.22
  6. Step 6: Final answer
    x = 18,882.92

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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.