Home / 45,677.19-68,529.63-20,710.53

Finding the Fourth Proportional to 45,677.19, 68,529.63 and 20,710.53

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Solution

The fourth proportional to 45,677.19, 68,529.63 and 20,710.53 is: 31,072.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,677.19 : 68,529.63 = 20,710.53 : x
  2. Step 2: Convert to fraction form
    45,677.19/68,529.63 = 20,710.53/x
  3. Step 3: Cross multiply
    45,677.19x = 68,529.63 × 20,710.53
  4. Step 4: Simplify right side
    45,677.19x = 1,419,284,958.00
  5. Step 5: Solve for x
    x = 1,419,284,958.00/45,677.19
  6. Step 6: Final answer
    x = 31,072.07

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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.