Home / 37,635.84-51,939.36-21,725.28

Finding the Fourth Proportional to 37,635.84, 51,939.36 and 21,725.28

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Solution

The fourth proportional to 37,635.84, 51,939.36 and 21,725.28 is: 29,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,635.84 : 51,939.36 = 21,725.28 : x
  2. Step 2: Convert to fraction form
    37,635.84/51,939.36 = 21,725.28/x
  3. Step 3: Cross multiply
    37,635.84x = 51,939.36 × 21,725.28
  4. Step 4: Simplify right side
    37,635.84x = 1,128,397,139.02
  5. Step 5: Solve for x
    x = 1,128,397,139.02/37,635.84
  6. Step 6: Final answer
    x = 29,981.98

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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.