Home / 42,751.20-64,029.60-27,004.80

Finding the Fourth Proportional to 42,751.20, 64,029.60 and 27,004.80

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Solution

The fourth proportional to 42,751.20, 64,029.60 and 27,004.80 is: 40,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,751.20 : 64,029.60 = 27,004.80 : x
  2. Step 2: Convert to fraction form
    42,751.20/64,029.60 = 27,004.80/x
  3. Step 3: Cross multiply
    42,751.20x = 64,029.60 × 27,004.80
  4. Step 4: Simplify right side
    42,751.20x = 1,729,106,542.08
  5. Step 5: Solve for x
    x = 1,729,106,542.08/42,751.20
  6. Step 6: Final answer
    x = 40,445.80

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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.