Home / 51,369.19-77,041.94-19,768.86

Finding the Fourth Proportional to 51,369.19, 77,041.94 and 19,768.86

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Solution

The fourth proportional to 51,369.19, 77,041.94 and 19,768.86 is: 29,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,369.19 : 77,041.94 = 19,768.86 : x
  2. Step 2: Convert to fraction form
    51,369.19/77,041.94 = 19,768.86/x
  3. Step 3: Cross multiply
    51,369.19x = 77,041.94 × 19,768.86
  4. Step 4: Simplify right side
    51,369.19x = 1,523,031,227.14
  5. Step 5: Solve for x
    x = 1,523,031,227.14/51,369.19
  6. Step 6: Final answer
    x = 29,648.73

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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.