Home / 55,450.16-76,521.16-30,299.66

Finding the Fourth Proportional to 55,450.16, 76,521.16 and 30,299.66

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Solution

The fourth proportional to 55,450.16, 76,521.16 and 30,299.66 is: 41,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450.16 : 76,521.16 = 30,299.66 : x
  2. Step 2: Convert to fraction form
    55,450.16/76,521.16 = 30,299.66/x
  3. Step 3: Cross multiply
    55,450.16x = 76,521.16 × 30,299.66
  4. Step 4: Simplify right side
    55,450.16x = 2,318,565,130.81
  5. Step 5: Solve for x
    x = 2,318,565,130.81/55,450.16
  6. Step 6: Final answer
    x = 41,813.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.