Home / 45,557.64-68,361.98-19,282.05

Finding the Fourth Proportional to 45,557.64, 68,361.98 and 19,282.05

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Solution

The fourth proportional to 45,557.64, 68,361.98 and 19,282.05 is: 28,933.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,557.64 : 68,361.98 = 19,282.05 : x
  2. Step 2: Convert to fraction form
    45,557.64/68,361.98 = 19,282.05/x
  3. Step 3: Cross multiply
    45,557.64x = 68,361.98 × 19,282.05
  4. Step 4: Simplify right side
    45,557.64x = 1,318,159,020.05
  5. Step 5: Solve for x
    x = 1,318,159,020.05/45,557.64
  6. Step 6: Final answer
    x = 28,933.87

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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.