Home / 55,764.06-76,954.95-30,270.63

Finding the Fourth Proportional to 55,764.06, 76,954.95 and 30,270.63

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Solution

The fourth proportional to 55,764.06, 76,954.95 and 30,270.63 is: 41,773.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.06 : 76,954.95 = 30,270.63 : x
  2. Step 2: Convert to fraction form
    55,764.06/76,954.95 = 30,270.63/x
  3. Step 3: Cross multiply
    55,764.06x = 76,954.95 × 30,270.63
  4. Step 4: Simplify right side
    55,764.06x = 2,329,474,818.12
  5. Step 5: Solve for x
    x = 2,329,474,818.12/55,764.06
  6. Step 6: Final answer
    x = 41,773.77

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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.