Home / 51,576.82-77,356.93-14,128.14

Finding the Fourth Proportional to 51,576.82, 77,356.93 and 14,128.14

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Solution

The fourth proportional to 51,576.82, 77,356.93 and 14,128.14 is: 21,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,576.82 : 77,356.93 = 14,128.14 : x
  2. Step 2: Convert to fraction form
    51,576.82/77,356.93 = 14,128.14/x
  3. Step 3: Cross multiply
    51,576.82x = 77,356.93 × 14,128.14
  4. Step 4: Simplify right side
    51,576.82x = 1,092,909,501.69
  5. Step 5: Solve for x
    x = 1,092,909,501.69/51,576.82
  6. Step 6: Final answer
    x = 21,189.94

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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.