Home / 43,190.16-64,785.27-16,876.47

Finding the Fourth Proportional to 43,190.16, 64,785.27 and 16,876.47

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Solution

The fourth proportional to 43,190.16, 64,785.27 and 16,876.47 is: 25,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,190.16 : 64,785.27 = 16,876.47 : x
  2. Step 2: Convert to fraction form
    43,190.16/64,785.27 = 16,876.47/x
  3. Step 3: Cross multiply
    43,190.16x = 64,785.27 × 16,876.47
  4. Step 4: Simplify right side
    43,190.16x = 1,093,346,665.60
  5. Step 5: Solve for x
    x = 1,093,346,665.60/43,190.16
  6. Step 6: Final answer
    x = 25,314.72

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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.