Home / 55,201.52-76,178.12-30,051.12

Finding the Fourth Proportional to 55,201.52, 76,178.12 and 30,051.12

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Solution

The fourth proportional to 55,201.52, 76,178.12 and 30,051.12 is: 41,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.52 : 76,178.12 = 30,051.12 : x
  2. Step 2: Convert to fraction form
    55,201.52/76,178.12 = 30,051.12/x
  3. Step 3: Cross multiply
    55,201.52x = 76,178.12 × 30,051.12
  4. Step 4: Simplify right side
    55,201.52x = 2,289,237,825.49
  5. Step 5: Solve for x
    x = 2,289,237,825.49/55,201.52
  6. Step 6: Final answer
    x = 41,470.56

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1.5x scale

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.