Home / 37,876.34-56,801.21-20,775.80

Finding the Fourth Proportional to 37,876.34, 56,801.21 and 20,775.80

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Solution

The fourth proportional to 37,876.34, 56,801.21 and 20,775.80 is: 31,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,876.34 : 56,801.21 = 20,775.80 : x
  2. Step 2: Convert to fraction form
    37,876.34/56,801.21 = 20,775.80/x
  3. Step 3: Cross multiply
    37,876.34x = 56,801.21 × 20,775.80
  4. Step 4: Simplify right side
    37,876.34x = 1,180,090,190.83
  5. Step 5: Solve for x
    x = 1,180,090,190.83/37,876.34
  6. Step 6: Final answer
    x = 31,156.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.