Home / 43,273.87-64,913.17-13,689.51

Finding the Fourth Proportional to 43,273.87, 64,913.17 and 13,689.51

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Solution

The fourth proportional to 43,273.87, 64,913.17 and 13,689.51 is: 20,535.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,273.87 : 64,913.17 = 13,689.51 : x
  2. Step 2: Convert to fraction form
    43,273.87/64,913.17 = 13,689.51/x
  3. Step 3: Cross multiply
    43,273.87x = 64,913.17 × 13,689.51
  4. Step 4: Simplify right side
    43,273.87x = 888,629,165.28
  5. Step 5: Solve for x
    x = 888,629,165.28/43,273.87
  6. Step 6: Final answer
    x = 20,535.01

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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.