Home / 55,518.52-76,622.98-31,324.46

Finding the Fourth Proportional to 55,518.52, 76,622.98 and 31,324.46

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Solution

The fourth proportional to 55,518.52, 76,622.98 and 31,324.46 is: 43,231.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,518.52 : 76,622.98 = 31,324.46 : x
  2. Step 2: Convert to fraction form
    55,518.52/76,622.98 = 31,324.46/x
  3. Step 3: Cross multiply
    55,518.52x = 76,622.98 × 31,324.46
  4. Step 4: Simplify right side
    55,518.52x = 2,400,173,472.09
  5. Step 5: Solve for x
    x = 2,400,173,472.09/55,518.52
  6. Step 6: Final answer
    x = 43,231.94

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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.