Home / 51,384.94-70,902.13-28,716.68

Finding the Fourth Proportional to 51,384.94, 70,902.13 and 28,716.68

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Solution

The fourth proportional to 51,384.94, 70,902.13 and 28,716.68 is: 39,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.94 : 70,902.13 = 28,716.68 : x
  2. Step 2: Convert to fraction form
    51,384.94/70,902.13 = 28,716.68/x
  3. Step 3: Cross multiply
    51,384.94x = 70,902.13 × 28,716.68
  4. Step 4: Simplify right side
    51,384.94x = 2,036,073,778.53
  5. Step 5: Solve for x
    x = 2,036,073,778.53/51,384.94
  6. Step 6: Final answer
    x = 39,623.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.