Home / 52,175.40-78,255.78-17,110.50

Finding the Fourth Proportional to 52,175.40, 78,255.78 and 17,110.50

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Solution

The fourth proportional to 52,175.40, 78,255.78 and 17,110.50 is: 25,663.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,175.40 : 78,255.78 = 17,110.50 : x
  2. Step 2: Convert to fraction form
    52,175.40/78,255.78 = 17,110.50/x
  3. Step 3: Cross multiply
    52,175.40x = 78,255.78 × 17,110.50
  4. Step 4: Simplify right side
    52,175.40x = 1,338,995,523.69
  5. Step 5: Solve for x
    x = 1,338,995,523.69/52,175.40
  6. Step 6: Final answer
    x = 25,663.35

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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.