Home / 37,913.36-52,321.56-21,146

Finding the Fourth Proportional to 37,913.36, 52,321.56 and 21,146

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Solution

The fourth proportional to 37,913.36, 52,321.56 and 21,146 is: 29,182.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,913.36 : 52,321.56 = 21,146 : x
  2. Step 2: Convert to fraction form
    37,913.36/52,321.56 = 21,146/x
  3. Step 3: Cross multiply
    37,913.36x = 52,321.56 × 21,146
  4. Step 4: Simplify right side
    37,913.36x = 1,106,391,707.76
  5. Step 5: Solve for x
    x = 1,106,391,707.76/37,913.36
  6. Step 6: Final answer
    x = 29,182.11

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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.