Home / 51,323.04-76,989.42-20,151

Finding the Fourth Proportional to 51,323.04, 76,989.42 and 20,151

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Solution

The fourth proportional to 51,323.04, 76,989.42 and 20,151 is: 30,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,323.04 : 76,989.42 = 20,151 : x
  2. Step 2: Convert to fraction form
    51,323.04/76,989.42 = 20,151/x
  3. Step 3: Cross multiply
    51,323.04x = 76,989.42 × 20,151
  4. Step 4: Simplify right side
    51,323.04x = 1,551,413,802.42
  5. Step 5: Solve for x
    x = 1,551,413,802.42/51,323.04
  6. Step 6: Final answer
    x = 30,228.41

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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.