Home / 45,457.84-68,197.09-13,870.73

Finding the Fourth Proportional to 45,457.84, 68,197.09 and 13,870.73

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Solution

The fourth proportional to 45,457.84, 68,197.09 and 13,870.73 is: 20,809.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,457.84 : 68,197.09 = 13,870.73 : x
  2. Step 2: Convert to fraction form
    45,457.84/68,197.09 = 13,870.73/x
  3. Step 3: Cross multiply
    45,457.84x = 68,197.09 × 13,870.73
  4. Step 4: Simplify right side
    45,457.84x = 945,943,200.39
  5. Step 5: Solve for x
    x = 945,943,200.39/45,457.84
  6. Step 6: Final answer
    x = 20,809.24

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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.