Home / 61,012.12-91,496.73-18,304.81

Finding the Fourth Proportional to 61,012.12, 91,496.73 and 18,304.81

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Solution

The fourth proportional to 61,012.12, 91,496.73 and 18,304.81 is: 27,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,012.12 : 91,496.73 = 18,304.81 : x
  2. Step 2: Convert to fraction form
    61,012.12/91,496.73 = 18,304.81/x
  3. Step 3: Cross multiply
    61,012.12x = 91,496.73 × 18,304.81
  4. Step 4: Simplify right side
    61,012.12x = 1,674,830,166.75
  5. Step 5: Solve for x
    x = 1,674,830,166.75/61,012.12
  6. Step 6: Final answer
    x = 27,450.78

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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.