Home / 51,905.74-77,869.01-18,628.41

Finding the Fourth Proportional to 51,905.74, 77,869.01 and 18,628.41

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Solution

The fourth proportional to 51,905.74, 77,869.01 and 18,628.41 is: 27,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.74 : 77,869.01 = 18,628.41 : x
  2. Step 2: Convert to fraction form
    51,905.74/77,869.01 = 18,628.41/x
  3. Step 3: Cross multiply
    51,905.74x = 77,869.01 × 18,628.41
  4. Step 4: Simplify right side
    51,905.74x = 1,450,575,447.55
  5. Step 5: Solve for x
    x = 1,450,575,447.55/51,905.74
  6. Step 6: Final answer
    x = 27,946.34

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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.