Home / 45,753.05-68,529.61-19,017.99

Finding the Fourth Proportional to 45,753.05, 68,529.61 and 19,017.99

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Solution

The fourth proportional to 45,753.05, 68,529.61 and 19,017.99 is: 28,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,753.05 : 68,529.61 = 19,017.99 : x
  2. Step 2: Convert to fraction form
    45,753.05/68,529.61 = 19,017.99/x
  3. Step 3: Cross multiply
    45,753.05x = 68,529.61 × 19,017.99
  4. Step 4: Simplify right side
    45,753.05x = 1,303,295,461.46
  5. Step 5: Solve for x
    x = 1,303,295,461.46/45,753.05
  6. Step 6: Final answer
    x = 28,485.43

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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.