Home / 37,553.76-51,822.72-20,786.40

Finding the Fourth Proportional to 37,553.76, 51,822.72 and 20,786.40

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Solution

The fourth proportional to 37,553.76, 51,822.72 and 20,786.40 is: 28,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,553.76 : 51,822.72 = 20,786.40 : x
  2. Step 2: Convert to fraction form
    37,553.76/51,822.72 = 20,786.40/x
  3. Step 3: Cross multiply
    37,553.76x = 51,822.72 × 20,786.40
  4. Step 4: Simplify right side
    37,553.76x = 1,077,207,787.01
  5. Step 5: Solve for x
    x = 1,077,207,787.01/37,553.76
  6. Step 6: Final answer
    x = 28,684.42

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1.5x scale

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.