Home / 42,855.04-64,296.60-27,041.80

Finding the Fourth Proportional to 42,855.04, 64,296.60 and 27,041.80

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Solution

The fourth proportional to 42,855.04, 64,296.60 and 27,041.80 is: 40,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,855.04 : 64,296.60 = 27,041.80 : x
  2. Step 2: Convert to fraction form
    42,855.04/64,296.60 = 27,041.80/x
  3. Step 3: Cross multiply
    42,855.04x = 64,296.60 × 27,041.80
  4. Step 4: Simplify right side
    42,855.04x = 1,738,695,797.88
  5. Step 5: Solve for x
    x = 1,738,695,797.88/42,855.04
  6. Step 6: Final answer
    x = 40,571.56

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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.