Home / 42,025.50-57,996.03-22,905.20

Finding the Fourth Proportional to 42,025.50, 57,996.03 and 22,905.20

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Solution

The fourth proportional to 42,025.50, 57,996.03 and 22,905.20 is: 31,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,025.50 : 57,996.03 = 22,905.20 : x
  2. Step 2: Convert to fraction form
    42,025.50/57,996.03 = 22,905.20/x
  3. Step 3: Cross multiply
    42,025.50x = 57,996.03 × 22,905.20
  4. Step 4: Simplify right side
    42,025.50x = 1,328,410,571.01
  5. Step 5: Solve for x
    x = 1,328,410,571.01/42,025.50
  6. Step 6: Final answer
    x = 31,609.63

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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.