Home / 42,104.36-63,133.32-17,138

Finding the Fourth Proportional to 42,104.36, 63,133.32 and 17,138

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Solution

The fourth proportional to 42,104.36, 63,133.32 and 17,138 is: 25,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,104.36 : 63,133.32 = 17,138 : x
  2. Step 2: Convert to fraction form
    42,104.36/63,133.32 = 17,138/x
  3. Step 3: Cross multiply
    42,104.36x = 63,133.32 × 17,138
  4. Step 4: Simplify right side
    42,104.36x = 1,081,978,838.16
  5. Step 5: Solve for x
    x = 1,081,978,838.16/42,104.36
  6. Step 6: Final answer
    x = 25,697.55

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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.