Home / 51,809.80-77,731.26-18,529.48

Finding the Fourth Proportional to 51,809.80, 77,731.26 and 18,529.48

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Solution

The fourth proportional to 51,809.80, 77,731.26 and 18,529.48 is: 27,800.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,809.80 : 77,731.26 = 18,529.48 : x
  2. Step 2: Convert to fraction form
    51,809.80/77,731.26 = 18,529.48/x
  3. Step 3: Cross multiply
    51,809.80x = 77,731.26 × 18,529.48
  4. Step 4: Simplify right side
    51,809.80x = 1,440,319,827.54
  5. Step 5: Solve for x
    x = 1,440,319,827.54/51,809.80
  6. Step 6: Final answer
    x = 27,800.14

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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.