Home / 53,286.53-79,726.81-47,381.63

Finding the Fourth Proportional to 53,286.53, 79,726.81 and 47,381.63

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Solution

The fourth proportional to 53,286.53, 79,726.81 and 47,381.63 is: 70,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,286.53 : 79,726.81 = 47,381.63 : x
  2. Step 2: Convert to fraction form
    53,286.53/79,726.81 = 47,381.63/x
  3. Step 3: Cross multiply
    53,286.53x = 79,726.81 × 47,381.63
  4. Step 4: Simplify right side
    53,286.53x = 3,777,586,323.69
  5. Step 5: Solve for x
    x = 3,777,586,323.69/53,286.53
  6. Step 6: Final answer
    x = 70,891.95

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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.