Home / 30,678.22-46,041.93-15,891.36

Finding the Fourth Proportional to 30,678.22, 46,041.93 and 15,891.36

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Solution

The fourth proportional to 30,678.22, 46,041.93 and 15,891.36 is: 23,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,678.22 : 46,041.93 = 15,891.36 : x
  2. Step 2: Convert to fraction form
    30,678.22/46,041.93 = 15,891.36/x
  3. Step 3: Cross multiply
    30,678.22x = 46,041.93 × 15,891.36
  4. Step 4: Simplify right side
    30,678.22x = 731,668,884.72
  5. Step 5: Solve for x
    x = 731,668,884.72/30,678.22
  6. Step 6: Final answer
    x = 23,849.78

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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.