Home / 51,664.86-77,505.84-18,377.91

Finding the Fourth Proportional to 51,664.86, 77,505.84 and 18,377.91

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Solution

The fourth proportional to 51,664.86, 77,505.84 and 18,377.91 is: 27,569.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,664.86 : 77,505.84 = 18,377.91 : x
  2. Step 2: Convert to fraction form
    51,664.86/77,505.84 = 18,377.91/x
  3. Step 3: Cross multiply
    51,664.86x = 77,505.84 × 18,377.91
  4. Step 4: Simplify right side
    51,664.86x = 1,424,395,351.99
  5. Step 5: Solve for x
    x = 1,424,395,351.99/51,664.86
  6. Step 6: Final answer
    x = 27,569.91

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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.