Home / 55,805.37-77,011.98-30,311.97

Finding the Fourth Proportional to 55,805.37, 77,011.98 and 30,311.97

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Solution

The fourth proportional to 55,805.37, 77,011.98 and 30,311.97 is: 41,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,805.37 : 77,011.98 = 30,311.97 : x
  2. Step 2: Convert to fraction form
    55,805.37/77,011.98 = 30,311.97/x
  3. Step 3: Cross multiply
    55,805.37x = 77,011.98 × 30,311.97
  4. Step 4: Simplify right side
    55,805.37x = 2,334,384,827.40
  5. Step 5: Solve for x
    x = 2,334,384,827.40/55,805.37
  6. Step 6: Final answer
    x = 41,830.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.