Home / 46,942.88-64,781.24-28,080

Finding the Fourth Proportional to 46,942.88, 64,781.24 and 28,080

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Solution

The fourth proportional to 46,942.88, 64,781.24 and 28,080 is: 38,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,942.88 : 64,781.24 = 28,080 : x
  2. Step 2: Convert to fraction form
    46,942.88/64,781.24 = 28,080/x
  3. Step 3: Cross multiply
    46,942.88x = 64,781.24 × 28,080
  4. Step 4: Simplify right side
    46,942.88x = 1,819,057,078.80
  5. Step 5: Solve for x
    x = 1,819,057,078.80/46,942.88
  6. Step 6: Final answer
    x = 38,750.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.