Home / 51,718.53-77,558.58-18,429.75

Finding the Fourth Proportional to 51,718.53, 77,558.58 and 18,429.75

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Solution

The fourth proportional to 51,718.53, 77,558.58 and 18,429.75 is: 27,637.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.53 : 77,558.58 = 18,429.75 : x
  2. Step 2: Convert to fraction form
    51,718.53/77,558.58 = 18,429.75/x
  3. Step 3: Cross multiply
    51,718.53x = 77,558.58 × 18,429.75
  4. Step 4: Simplify right side
    51,718.53x = 1,429,385,239.76
  5. Step 5: Solve for x
    x = 1,429,385,239.76/51,718.53
  6. Step 6: Final answer
    x = 27,637.78

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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.