Home / 37,911.36-52,318.80-21,144

Finding the Fourth Proportional to 37,911.36, 52,318.80 and 21,144

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Solution

The fourth proportional to 37,911.36, 52,318.80 and 21,144 is: 29,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,911.36 : 52,318.80 = 21,144 : x
  2. Step 2: Convert to fraction form
    37,911.36/52,318.80 = 21,144/x
  3. Step 3: Cross multiply
    37,911.36x = 52,318.80 × 21,144
  4. Step 4: Simplify right side
    37,911.36x = 1,106,228,707.20
  5. Step 5: Solve for x
    x = 1,106,228,707.20/37,911.36
  6. Step 6: Final answer
    x = 29,179.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.