Home / 51,628.67-77,428.12-14,189.96

Finding the Fourth Proportional to 51,628.67, 77,428.12 and 14,189.96

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Solution

The fourth proportional to 51,628.67, 77,428.12 and 14,189.96 is: 21,280.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,628.67 : 77,428.12 = 14,189.96 : x
  2. Step 2: Convert to fraction form
    51,628.67/77,428.12 = 14,189.96/x
  3. Step 3: Cross multiply
    51,628.67x = 77,428.12 × 14,189.96
  4. Step 4: Simplify right side
    51,628.67x = 1,098,701,832.75
  5. Step 5: Solve for x
    x = 1,098,701,832.75/51,628.67
  6. Step 6: Final answer
    x = 21,280.85

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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.