Home / 81,007.14-121,534.06-24,855.50

Finding the Fourth Proportional to 81,007.14, 121,534.06 and 24,855.50

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Solution

The fourth proportional to 81,007.14, 121,534.06 and 24,855.50 is: 37,290.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,007.14 : 121,534.06 = 24,855.50 : x
  2. Step 2: Convert to fraction form
    81,007.14/121,534.06 = 24,855.50/x
  3. Step 3: Cross multiply
    81,007.14x = 121,534.06 × 24,855.50
  4. Step 4: Simplify right side
    81,007.14x = 3,020,789,828.33
  5. Step 5: Solve for x
    x = 3,020,789,828.33/81,007.14
  6. Step 6: Final answer
    x = 37,290.41

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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.