Home / 42,127.43-63,190.94-17,161.61

Finding the Fourth Proportional to 42,127.43, 63,190.94 and 17,161.61

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Solution

The fourth proportional to 42,127.43, 63,190.94 and 17,161.61 is: 25,742.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,127.43 : 63,190.94 = 17,161.61 : x
  2. Step 2: Convert to fraction form
    42,127.43/63,190.94 = 17,161.61/x
  3. Step 3: Cross multiply
    42,127.43x = 63,190.94 × 17,161.61
  4. Step 4: Simplify right side
    42,127.43x = 1,084,457,866.05
  5. Step 5: Solve for x
    x = 1,084,457,866.05/42,127.43
  6. Step 6: Final answer
    x = 25,742.33

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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.