Home / 55,945.24-77,201.58-30,789.88

Finding the Fourth Proportional to 55,945.24, 77,201.58 and 30,789.88

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Solution

The fourth proportional to 55,945.24, 77,201.58 and 30,789.88 is: 42,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,945.24 : 77,201.58 = 30,789.88 : x
  2. Step 2: Convert to fraction form
    55,945.24/77,201.58 = 30,789.88/x
  3. Step 3: Cross multiply
    55,945.24x = 77,201.58 × 30,789.88
  4. Step 4: Simplify right side
    55,945.24x = 2,377,027,384.01
  5. Step 5: Solve for x
    x = 2,377,027,384.01/55,945.24
  6. Step 6: Final answer
    x = 42,488.47

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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.