Home / 43,255.62-64,876.95-16,978.41

Finding the Fourth Proportional to 43,255.62, 64,876.95 and 16,978.41

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Solution

The fourth proportional to 43,255.62, 64,876.95 and 16,978.41 is: 25,465.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,255.62 : 64,876.95 = 16,978.41 : x
  2. Step 2: Convert to fraction form
    43,255.62/64,876.95 = 16,978.41/x
  3. Step 3: Cross multiply
    43,255.62x = 64,876.95 × 16,978.41
  4. Step 4: Simplify right side
    43,255.62x = 1,101,507,456.65
  5. Step 5: Solve for x
    x = 1,101,507,456.65/43,255.62
  6. Step 6: Final answer
    x = 25,465.07

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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.