Home / 55,418.63-76,478.19-31,546.83

Finding the Fourth Proportional to 55,418.63, 76,478.19 and 31,546.83

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Solution

The fourth proportional to 55,418.63, 76,478.19 and 31,546.83 is: 43,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,418.63 : 76,478.19 = 31,546.83 : x
  2. Step 2: Convert to fraction form
    55,418.63/76,478.19 = 31,546.83/x
  3. Step 3: Cross multiply
    55,418.63x = 76,478.19 × 31,546.83
  4. Step 4: Simplify right side
    55,418.63x = 2,412,644,804.58
  5. Step 5: Solve for x
    x = 2,412,644,804.58/55,418.63
  6. Step 6: Final answer
    x = 43,534.90

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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.