Home / 53,216.64-79,807.94-18,161.46

Finding the Fourth Proportional to 53,216.64, 79,807.94 and 18,161.46

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Solution

The fourth proportional to 53,216.64, 79,807.94 and 18,161.46 is: 27,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,216.64 : 79,807.94 = 18,161.46 : x
  2. Step 2: Convert to fraction form
    53,216.64/79,807.94 = 18,161.46/x
  3. Step 3: Cross multiply
    53,216.64x = 79,807.94 × 18,161.46
  4. Step 4: Simplify right side
    53,216.64x = 1,449,428,709.99
  5. Step 5: Solve for x
    x = 1,449,428,709.99/53,216.64
  6. Step 6: Final answer
    x = 27,236.38

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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.