Home / 37,915.36-52,324.32-21,148

Finding the Fourth Proportional to 37,915.36, 52,324.32 and 21,148

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Solution

The fourth proportional to 37,915.36, 52,324.32 and 21,148 is: 29,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,915.36 : 52,324.32 = 21,148 : x
  2. Step 2: Convert to fraction form
    37,915.36/52,324.32 = 21,148/x
  3. Step 3: Cross multiply
    37,915.36x = 52,324.32 × 21,148
  4. Step 4: Simplify right side
    37,915.36x = 1,106,554,719.36
  5. Step 5: Solve for x
    x = 1,106,554,719.36/37,915.36
  6. Step 6: Final answer
    x = 29,184.87

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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.