Home / 51,363.70-77,045.55-13,923.77

Finding the Fourth Proportional to 51,363.70, 77,045.55 and 13,923.77

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Solution

The fourth proportional to 51,363.70, 77,045.55 and 13,923.77 is: 20,885.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,363.70 : 77,045.55 = 13,923.77 : x
  2. Step 2: Convert to fraction form
    51,363.70/77,045.55 = 13,923.77/x
  3. Step 3: Cross multiply
    51,363.70x = 77,045.55 × 13,923.77
  4. Step 4: Simplify right side
    51,363.70x = 1,072,764,517.72
  5. Step 5: Solve for x
    x = 1,072,764,517.72/51,363.70
  6. Step 6: Final answer
    x = 20,885.66

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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.