Home / 51,838.79-77,776.91-18,109.79

Finding the Fourth Proportional to 51,838.79, 77,776.91 and 18,109.79

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Solution

The fourth proportional to 51,838.79, 77,776.91 and 18,109.79 is: 27,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,838.79 : 77,776.91 = 18,109.79 : x
  2. Step 2: Convert to fraction form
    51,838.79/77,776.91 = 18,109.79/x
  3. Step 3: Cross multiply
    51,838.79x = 77,776.91 × 18,109.79
  4. Step 4: Simplify right side
    51,838.79x = 1,408,523,685.25
  5. Step 5: Solve for x
    x = 1,408,523,685.25/51,838.79
  6. Step 6: Final answer
    x = 27,171.23

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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.