Home / 45,868.50-68,812.63-14,277.89

Finding the Fourth Proportional to 45,868.50, 68,812.63 and 14,277.89

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Solution

The fourth proportional to 45,868.50, 68,812.63 and 14,277.89 is: 21,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,868.50 : 68,812.63 = 14,277.89 : x
  2. Step 2: Convert to fraction form
    45,868.50/68,812.63 = 14,277.89/x
  3. Step 3: Cross multiply
    45,868.50x = 68,812.63 × 14,277.89
  4. Step 4: Simplify right side
    45,868.50x = 982,499,298.09
  5. Step 5: Solve for x
    x = 982,499,298.09/45,868.50
  6. Step 6: Final answer
    x = 21,419.91

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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.