Home / 51,239.40-76,859.10-49,271.10

Finding the Fourth Proportional to 51,239.40, 76,859.10 and 49,271.10

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Solution

The fourth proportional to 51,239.40, 76,859.10 and 49,271.10 is: 73,906.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,239.40 : 76,859.10 = 49,271.10 : x
  2. Step 2: Convert to fraction form
    51,239.40/76,859.10 = 49,271.10/x
  3. Step 3: Cross multiply
    51,239.40x = 76,859.10 × 49,271.10
  4. Step 4: Simplify right side
    51,239.40x = 3,786,932,402.01
  5. Step 5: Solve for x
    x = 3,786,932,402.01/51,239.40
  6. Step 6: Final answer
    x = 73,906.65

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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.