Home / 51,769.00-77,657.21-13,818.07

Finding the Fourth Proportional to 51,769.00, 77,657.21 and 13,818.07

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Solution

The fourth proportional to 51,769.00, 77,657.21 and 13,818.07 is: 20,728.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,769.00 : 77,657.21 = 13,818.07 : x
  2. Step 2: Convert to fraction form
    51,769.00/77,657.21 = 13,818.07/x
  3. Step 3: Cross multiply
    51,769.00x = 77,657.21 × 13,818.07
  4. Step 4: Simplify right side
    51,769.00x = 1,073,072,604.19
  5. Step 5: Solve for x
    x = 1,073,072,604.19/51,769.00
  6. Step 6: Final answer
    x = 20,728.09

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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.