Home / 30,664.22-45,957.09-15,870.38

Finding the Fourth Proportional to 30,664.22, 45,957.09 and 15,870.38

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Solution

The fourth proportional to 30,664.22, 45,957.09 and 15,870.38 is: 23,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664.22 : 45,957.09 = 15,870.38 : x
  2. Step 2: Convert to fraction form
    30,664.22/45,957.09 = 15,870.38/x
  3. Step 3: Cross multiply
    30,664.22x = 45,957.09 × 15,870.38
  4. Step 4: Simplify right side
    30,664.22x = 729,356,481.99
  5. Step 5: Solve for x
    x = 729,356,481.99/30,664.22
  6. Step 6: Final answer
    x = 23,785.26

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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.