Home / 20,331-30,457.04-14,984.46

Finding the Fourth Proportional to 20,331, 30,457.04 and 14,984.46

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Solution

The fourth proportional to 20,331, 30,457.04 and 14,984.46 is: 22,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331 : 30,457.04 = 14,984.46 : x
  2. Step 2: Convert to fraction form
    20,331/30,457.04 = 14,984.46/x
  3. Step 3: Cross multiply
    20,331x = 30,457.04 × 14,984.46
  4. Step 4: Simplify right side
    20,331x = 456,382,297.60
  5. Step 5: Solve for x
    x = 456,382,297.60/20,331
  6. Step 6: Final answer
    x = 22,447.61

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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.