Home / 34,805.44-48,031.55-18,889.90

Finding the Fourth Proportional to 34,805.44, 48,031.55 and 18,889.90

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Solution

The fourth proportional to 34,805.44, 48,031.55 and 18,889.90 is: 26,068.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,805.44 : 48,031.55 = 18,889.90 : x
  2. Step 2: Convert to fraction form
    34,805.44/48,031.55 = 18,889.90/x
  3. Step 3: Cross multiply
    34,805.44x = 48,031.55 × 18,889.90
  4. Step 4: Simplify right side
    34,805.44x = 907,311,176.35
  5. Step 5: Solve for x
    x = 907,311,176.35/34,805.44
  6. Step 6: Final answer
    x = 26,068.09

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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.