Home / 51,614.75-77,435.10-14,678.75

Finding the Fourth Proportional to 51,614.75, 77,435.10 and 14,678.75

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Solution

The fourth proportional to 51,614.75, 77,435.10 and 14,678.75 is: 22,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,614.75 : 77,435.10 = 14,678.75 : x
  2. Step 2: Convert to fraction form
    51,614.75/77,435.10 = 14,678.75/x
  3. Step 3: Cross multiply
    51,614.75x = 77,435.10 × 14,678.75
  4. Step 4: Simplify right side
    51,614.75x = 1,136,650,474.13
  5. Step 5: Solve for x
    x = 1,136,650,474.13/51,614.75
  6. Step 6: Final answer
    x = 22,021.81

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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.