Home / 39,879.81-54,995.76-26,243.46

Finding the Fourth Proportional to 39,879.81, 54,995.76 and 26,243.46

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Solution

The fourth proportional to 39,879.81, 54,995.76 and 26,243.46 is: 36,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,879.81 : 54,995.76 = 26,243.46 : x
  2. Step 2: Convert to fraction form
    39,879.81/54,995.76 = 26,243.46/x
  3. Step 3: Cross multiply
    39,879.81x = 54,995.76 × 26,243.46
  4. Step 4: Simplify right side
    39,879.81x = 1,443,279,027.73
  5. Step 5: Solve for x
    x = 1,443,279,027.73/39,879.81
  6. Step 6: Final answer
    x = 36,190.72

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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.