Home / 52,749.78-79,108.14-15,312.44

Finding the Fourth Proportional to 52,749.78, 79,108.14 and 15,312.44

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Solution

The fourth proportional to 52,749.78, 79,108.14 and 15,312.44 is: 22,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,749.78 : 79,108.14 = 15,312.44 : x
  2. Step 2: Convert to fraction form
    52,749.78/79,108.14 = 15,312.44/x
  3. Step 3: Cross multiply
    52,749.78x = 79,108.14 × 15,312.44
  4. Step 4: Simplify right side
    52,749.78x = 1,211,338,902.45
  5. Step 5: Solve for x
    x = 1,211,338,902.45/52,749.78
  6. Step 6: Final answer
    x = 22,963.87

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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.