Home / 51,665.72-77,500.49-14,228.69

Finding the Fourth Proportional to 51,665.72, 77,500.49 and 14,228.69

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Solution

The fourth proportional to 51,665.72, 77,500.49 and 14,228.69 is: 21,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,665.72 : 77,500.49 = 14,228.69 : x
  2. Step 2: Convert to fraction form
    51,665.72/77,500.49 = 14,228.69/x
  3. Step 3: Cross multiply
    51,665.72x = 77,500.49 × 14,228.69
  4. Step 4: Simplify right side
    51,665.72x = 1,102,729,988.41
  5. Step 5: Solve for x
    x = 1,102,729,988.41/51,665.72
  6. Step 6: Final answer
    x = 21,343.55

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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.