Home / 42,984.30-64,455.30-25,249.47

Finding the Fourth Proportional to 42,984.30, 64,455.30 and 25,249.47

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Solution

The fourth proportional to 42,984.30, 64,455.30 and 25,249.47 is: 37,861.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,984.30 : 64,455.30 = 25,249.47 : x
  2. Step 2: Convert to fraction form
    42,984.30/64,455.30 = 25,249.47/x
  3. Step 3: Cross multiply
    42,984.30x = 64,455.30 × 25,249.47
  4. Step 4: Simplify right side
    42,984.30x = 1,627,462,163.69
  5. Step 5: Solve for x
    x = 1,627,462,163.69/42,984.30
  6. Step 6: Final answer
    x = 37,861.78

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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.