Home / 77,964.81-116,954.58-21,804.90

Finding the Fourth Proportional to 77,964.81, 116,954.58 and 21,804.90

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Solution

The fourth proportional to 77,964.81, 116,954.58 and 21,804.90 is: 32,709.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964.81 : 116,954.58 = 21,804.90 : x
  2. Step 2: Convert to fraction form
    77,964.81/116,954.58 = 21,804.90/x
  3. Step 3: Cross multiply
    77,964.81x = 116,954.58 × 21,804.90
  4. Step 4: Simplify right side
    77,964.81x = 2,550,182,921.44
  5. Step 5: Solve for x
    x = 2,550,182,921.44/77,964.81
  6. Step 6: Final answer
    x = 32,709.41

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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.