Home / 42,129.74-63,194.42-17,164.22

Finding the Fourth Proportional to 42,129.74, 63,194.42 and 17,164.22

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Solution

The fourth proportional to 42,129.74, 63,194.42 and 17,164.22 is: 25,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,129.74 : 63,194.42 = 17,164.22 : x
  2. Step 2: Convert to fraction form
    42,129.74/63,194.42 = 17,164.22/x
  3. Step 3: Cross multiply
    42,129.74x = 63,194.42 × 17,164.22
  4. Step 4: Simplify right side
    42,129.74x = 1,084,682,927.65
  5. Step 5: Solve for x
    x = 1,084,682,927.65/42,129.74
  6. Step 6: Final answer
    x = 25,746.25

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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.